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6 - The Remigration of Hindostanis from Surinam to India, 1878–1921
- Edited by Crispin Bates, The University of Edinburgh, UK
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- Beyond Indenture
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- 31 December 2023
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- 31 May 2024, pp 127-149
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Summary
The Dutch colony of Surinam (present-day Suriname), situated on the northern tip of South America, was one of the last colonies to introduce indentured labour from India. In 1870, after extensive negotiations, the Dutch and British governments signed a 26-article treaty, agreeing to the employment of indentured Indian labourers in Surinam. This Coolie Treaty (Koelietractaat) was not implemented for another three years, and it was only on 5 June 1873 that the ship Lalla Rookh arrived in Surinam with 410 emigrants, having left the port of Calcutta (present-day Kolkata) in February. Within one year (between June 1873 and April 1874), seven ships followed, bringing almost 4,000 Indian emigrants to Surinam. In total, 34,304 Indian emigrants were received across 64 ships between 1873 and 1916. It is important to note that these Indian emigrants remained British subjects in Surinam. Their descendants did not become Dutch subjects by law until 1927, and by that point the majority had been born in the colony. They designated themselves as Hindostanis (‘Hindostanen’ in the Dutch language) in reference to their land of origin – Hindustan being one of the original names for India. Due to their status as strangers in a foreign colony, special arrangements protected them. According to Article 9 of the Coolie Treaty, the Indian labourers indentured to Surinam had the right to a free return passage after five years. It also stated:
If he consents to contract a new engagement he will be entitled to a bounty and will retain his right to return-passage at the expiration of such second engagement. The right of the immigrant to a return-passage extends to his wife, and to his children who quitted India under the age of ten years, as well as to those born in the Colony.
More than a third (11,512) of the 34,304 Indian emigrants returned to British India at the expense of the Dutch government. Yet, significantly, in spite of the gratis opportunity to return, the majority of the emigrants settled permanently in Surinam. They received approximately 5 acres of fertile land free of rent for six years and 100 guilders (equivalent to the cost of the return passage). Furthermore, over a quarter (9,725) of them signed a second contract for an additional five years in Surinam and received an extra premium of 100 guilders. After settling, these Indians and their descendants became successful small farmers in due course.
Physiological and biochemical processes underlying the differential sucrose yield and biomass production in sugarcane varieties
- Tamires Da Silva Martins, José R. Magalhães Filho, Larissa Prado Cruz, Daniela F. S. P. Machado, Norma M. Erismann, Rose M. A. Gondim-Tomaz, Paulo E. R. Marchiori, André L. B. O. Silva, Eduardo Caruso Machado, Rafael Vasconcelos Ribeiro
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- Experimental Agriculture / Volume 60 / 2024
- Published online by Cambridge University Press:
- 14 May 2024, e13
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Sucrose yield in sugarcane is a complex process regulated by both environmental and endogenous factors. However, the metabolic balance driving vegetative growth and sucrose accumulation remains poorly understood. Herein, we carried out a comprehensive assessment of carbohydrate dynamics throughout the crop cycle in two sugarcane varieties varying in biomass production, evaluating the carbon metabolism in both leaves and stalks. Our data revealed that the decline in photosynthetic rates during sugarcane maturation is associated not only to accumulation of sugars in leaves but also due to stomatal and non-stomatal limitations. We found that metabolic processes in leaves and stalks were intrinsically linked. While IACSP94-2094 had higher stalk sucrose concentration than IACSP95-5000, this latter produced more biomass. Compared to IACSP95-5000, IACSP94-2094 showed higher sucrose phosphate synthase (SPS) activity in leaves and stalks, along with lower soluble acid invertase (SAI) activity in leaves during the maximum growth stage. Interestingly, IACSP94-2094 also exhibited higher stalk SPS activity and lower stalk SAI activity than IACSP95-5000 during maturation. High biomass production by IACSP95-5000 was associated with higher sucrose synthase (SuSy) and SAI activity in leaves and higher SuSy and soluble neutral invertase (SNI) activity in stalks when compared to IACSP94-2094 during the maximum growth. Despite the contrasting strategies, both varieties displayed similar total sucrose yield, a balance between sucrose concentration and biomass production. This phenomenon implies the presence of a compensatory mechanism in sugarcane, with high biomass production compensating low sucrose accumulation and vice versa.
An in vivo appraisal of Punica granatum peel extract’s ultrastructural effect on cystic echinococcosis in mice
- Nashaat E. Nassef, Sawsan S. Shendi, Abdel-Gawad E. Saad, Nancy M. Harba, Engy V.N. Beshay, Asmaa Shams El-Dein Mohamed, Marwa A. Gouda
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- Journal of Helminthology / Volume 98 / 2024
- Published online by Cambridge University Press:
- 13 May 2024, e40
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In the past decade, interest has significantly increased regarding the medicinal and nutritional benefits of pomegranate (Punica granatum) peel. This study examined the effects of using pomegranate peel extract (PGE) alone and in combination with albendazole (ABZ) on ultrastructural and immunological changes in cystic echinococcosis in laboratory-infected mice. Results revealed that the smallest hydatid cyst size and weight (0.48 ± 0.47mm, 0.17 ± 0.18 gm) with the highest drug efficacy (56.2%) was detected in the PGE + ABZ group, which also exhibited marked histopathological improvement. Ultrastructural changes recorded by transmission electron microscopy including fragmentation of the nucleus, glycogen depletion, and multiple lysosomes in vacuolated cytoplasm were more often observed in PGE + ABZ group. IFN-γ levels were significantly increased in the group treated with ABZ, with a notable reduction following PGE treatment, whether administered alone or in combination with ABZ. Thus, PGE enhanced the therapeutic efficiency of ABZ, with improvement in histopathological and ultrastructural changes.
Examining the unique relationships between problematic use of the internet and impulsive and compulsive tendencies: network approach
- Chang Liu, Kristian Rotaru, Lei Ren, Samuel R. Chamberlain, Erynn Christensen, Mary-Ellen Brierley, Karyn Richardson, Rico S. C. Lee, Rebecca Segrave, Jon E. Grant, Edouard Kayayan, Sam Hughes, Leonardo F. Fontenelle, Amelia Lowe, Chao Suo, René Freichel, Reinout W. Wiers, Murat Yücel, Lucy Albertella
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- Journal:
- BJPsych Open / Volume 10 / Issue 3 / May 2024
- Published online by Cambridge University Press:
- 09 May 2024, e104
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Background
Both impulsivity and compulsivity have been identified as risk factors for problematic use of the internet (PUI). Yet little is known about the relationship between impulsivity, compulsivity and individual PUI symptoms, limiting a more precise understanding of mechanisms underlying PUI.
AimsThe current study is the first to use network analysis to (a) examine the unique association among impulsivity, compulsivity and PUI symptoms, and (b) identify the most influential drivers in relation to the PUI symptom community.
MethodWe estimated a Gaussian graphical model consisting of five facets of impulsivity, compulsivity and individual PUI symptoms among 370 Australian adults (51.1% female, mean age = 29.8, s.d. = 11.1). Network structure and bridge expected influence were examined to elucidate differential associations among impulsivity, compulsivity and PUI symptoms, as well as identify influential nodes bridging impulsivity, compulsivity and PUI symptoms.
ResultsResults revealed that four facets of impulsivity (i.e. negative urgency, positive urgency, lack of premeditation and lack of perseverance) and compulsivity were related to different PUI symptoms. Further, compulsivity and negative urgency were the most influential nodes in relation to the PUI symptom community due to their highest bridge expected influence.
ConclusionsThe current findings delineate distinct relationships across impulsivity, compulsivity and PUI, which offer insights into potential mechanistic pathways and targets for future interventions in this space. To realise this potential, future studies are needed to replicate the identified network structure in different populations and determine the directionality of the relationships among impulsivity, compulsivity and PUI symptoms.
Alcohol milestones and internalizing, externalizing, and executive function: longitudinal and polygenic score associations
- Sarah E. Paul, David A.A. Baranger, Emma C. Johnson, Joshua J. Jackson, Aaron J. Gorelik, Alex P. Miller, Alexander S. Hatoum, Wesley K. Thompson, Michael Strube, Danielle M. Dick, Chella Kamarajan, John R. Kramer, Martin H. Plawecki, Grace Chan, Andrey P. Anokhin, David B. Chorlian, Sivan Kinreich, Jacquelyn L. Meyers, Bernice Porjesz, Howard J. Edenberg, Arpana Agrawal, Kathleen K. Bucholz, Ryan Bogdan
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- Journal:
- Psychological Medicine , First View
- Published online by Cambridge University Press:
- 09 May 2024, pp. 1-14
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Background
Although the link between alcohol involvement and behavioral phenotypes (e.g. impulsivity, negative affect, executive function [EF]) is well-established, the directionality of these associations, specificity to stages of alcohol involvement, and extent of shared genetic liability remain unclear. We estimate longitudinal associations between transitions among alcohol milestones, behavioral phenotypes, and indices of genetic risk.
MethodsData came from the Collaborative Study on the Genetics of Alcoholism (n = 3681; ages 11–36). Alcohol transitions (first: drink, intoxication, alcohol use disorder [AUD] symptom, AUD diagnosis), internalizing, and externalizing phenotypes came from the Semi-Structured Assessment for the Genetics of Alcoholism. EF was measured with the Tower of London and Visual Span Tasks. Polygenic scores (PGS) were computed for alcohol-related and behavioral phenotypes. Cox models estimated associations among PGS, behavior, and alcohol milestones.
ResultsExternalizing phenotypes (e.g. conduct disorder symptoms) were associated with future initiation and drinking problems (hazard ratio (HR)⩾1.16). Internalizing (e.g. social anxiety) was associated with hazards for progression from first drink to severe AUD (HR⩾1.55). Initiation and AUD were associated with increased hazards for later depressive symptoms and suicidal ideation (HR⩾1.38), and initiation was associated with increased hazards for future conduct symptoms (HR = 1.60). EF was not associated with alcohol transitions. Drinks per week PGS was linked with increased hazards for alcohol transitions (HR⩾1.06). Problematic alcohol use PGS increased hazards for suicidal ideation (HR = 1.20).
ConclusionsBehavioral markers of addiction vulnerability precede and follow alcohol transitions, highlighting dynamic, bidirectional relationships between behavior and emerging addiction.
The contribution of cannabis use to the increased psychosis risk among minority ethnic groups in Europe
- J. P. Selten, M. Di Forti, D. Quattrone, P. B. Jones, H. E. Jongsma, C. Gayer-Anderson, A. Szöke, P. M. Llorca, C. Arango, M. Bernardo, J. Sanjuan, J. L. Santos, M. Arrojo, I. Tarricone, D. Berardi, A. Lasalvia, S. Tosato, C. la Cascia, E. Velthorst, E. M. A. van der Ven, L. de Haan, B. P. Rutten, J. van Os, J. B. Kirkbride, C. M. Morgan, R. M. Murray, F. Termorshuizen
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- Journal:
- Psychological Medicine , First View
- Published online by Cambridge University Press:
- 09 May 2024, pp. 1-10
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Background
We examined whether cannabis use contributes to the increased risk of psychotic disorder for non-western minorities in Europe.
MethodsWe used data from the EU-GEI study (collected at sites in Spain, Italy, France, the United Kingdom, and the Netherlands) on 825 first-episode patients and 1026 controls. We estimated the odds ratio (OR) of psychotic disorder for several groups of migrants compared with the local reference population, without and with adjustment for measures of cannabis use.
ResultsThe OR of psychotic disorder for non-western minorities, adjusted for age, sex, and recruitment area, was 1.80 (95% CI 1.39–2.33). Further adjustment of this OR for frequency of cannabis use had a minimal effect: OR = 1.81 (95% CI 1.38–2.37). The same applied to adjustment for frequency of use of high-potency cannabis. Likewise, adjustments of ORs for most sub-groups of non-western countries had a minimal effect. There were two exceptions. For the Black Caribbean group in London, after adjustment for frequency of use of high-potency cannabis the OR decreased from 2.45 (95% CI 1.25–4.79) to 1.61 (95% CI 0.74–3.51). Similarly, the OR for Surinamese and Dutch Antillean individuals in Amsterdam decreased after adjustment for daily use: from 2.57 (95% CI 1.07–6.15) to 1.67 (95% CI 0.62–4.53).
ConclusionsThe contribution of cannabis use to the excess risk of psychotic disorder for non-western minorities was small. However, some evidence of an effect was found for people of Black Caribbean heritage in London and for those of Surinamese and Dutch Antillean heritage in Amsterdam.
Is higher fruit and vegetable intake associated with a reduced risk of depression in middle-aged and older adults? Data from 10 diverse international cohorts
- A. Matison, V. Flood, B. Lam, D. Lipnicki, K. Tucker, P. Preux, M. Guerchet, E. d’Ors, I. Skoog, N. Scarmeas, O. Gureje, S. Shahar, K. Anstey, R. Ho, H. Brodaty, P. Sachdev, S. Reppermund, K. Mather, for Cohort Studies of Memory in an International Consortium (COSMIC)
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- Proceedings of the Nutrition Society / Volume 83 / Issue OCE1 / April 2024
- Published online by Cambridge University Press:
- 07 May 2024, E73
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Depression is the largest global contributor to non-fatal disease burden(1). A growing body of evidence suggests that dietary behaviours, such as higher fruit and vegetable intake, may be protective against the risk of depression(2). However, this evidence is primarily from high-income countries, despite over 80% of the burden of depression being experienced in low- and middle-income countries(1). There are also limited studies to date focusing on older adults. The aim of this study was to prospectively examine the associations between baseline fruit and vegetable intake and incidence of depression in adults aged 45-years and older from 10 cohorts across six continents, including four cohorts from low and middle-income countries. The association between baseline fruit and vegetable intake and incident depression over a 3–6-year follow-up period was examined using Cox proportional hazard regression after controlling for a range of potential confounders. Participants were 7771 community-based adults aged 45+ years from 10 diverse cohorts. All cohorts were members of the Cohort Studies of Memory in an International Consortium collaboration(3). Fruit intake (excluding juice) and vegetable intake was collected using either a comprehensive food frequency questionnaire, short food questionnaire or diet history. Depressive symptoms were assessed using validated depression measures, and depression was defined as a score greater than or equal to a validated cut-off. Prior to analysis all data were harmonised. Analysis was performed by cohort and then cohort results were combined using meta-analysis. Subgroup analysis was performed by sex, age (45 – 64 versus 65+ years) and income level of country (high income countries versus low- and middle-income countries). There were 1537 incident cases of depression over 32,420 person-years of follow-up. Mean daily intakes of fruit were 1.7 ± 1.5 serves and vegetables 1.9 ± 1.4. serves. We found no association between fruit and vegetable intakes and risk of incident depression in any of the analyses, and this was consistent across the subgroup analyses. The low intake of fruit and vegetables of participants, diverse measures used across the different cohorts, and modest sample size of our study compared with prior studies in the literature, may have prevented an association being detected. Further investigation using standardised measures in larger cohorts of older adults from low- to middle-income countries is needed. Future research should consider the potential relationship between different types of fruits and vegetables and depression.
Habitual consumption of anthocyanin is associated with improvements in mood and cognitive performance in older people with memory complaints
- E. Lorzadeh, K. Kent, V. Do Rosario, S. Roodenrys, K. Weston-Green, K. Charlton
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- Journal:
- Proceedings of the Nutrition Society / Volume 83 / Issue OCE1 / April 2024
- Published online by Cambridge University Press:
- 07 May 2024, E146
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The role of flavonoids on cognitive performance in older adults has been intensively studied, with the subclass of anthocyanins showing promising outcomes(1). However, there is conflicting evidence in the case of individuals at high risk of developing dementia, namely those with mild cognitive impairment (MCI). A recent study has suggested that cognitive scores in people with MCI were higher in those who had higher anthocyanin intake (>10 mg)(2). Baseline data from 65 participants of an ongoing clinical trial that had an MIS (Memory Index Score) score ≤ 13 with self-reported subjective memory complaints, (mean age 69.1y ± 6.2) were used to investigate the relationship between dietary anthocyanin intake and indices of mood and cognitive performance. Repeated 24-hour dietary intake was recorded through Intake24 (a computer-based program) for three days (2Xweekday and 1Xweekend day) and anthocyanin intake was quantified using the PhenolExplorer food composition database. The primary outcome of interest was the Buschke and Grober Free and Cued Selective Reminding Test-Immediate Recall (FCSRT+IR) (assesses auditory anterograde memory functioning), while other cognitive functions assessed included: Spot the Word-2 (assessing premorbid estimate); Oral Symbol Digit Test (speed of processing); List Sorting (working memory); Trail Making Test A & B (speed of processing/executive function); and Verbal Fluency (language/semantic memory). Subjective memory complaints were assessed using the Memory Assessment Clinic-Q (MAC-Q) and mood was assessed using the Geriatric Depression Scale (GDS). Independent t-tests were used to compare differences in cognitive tasks and mood scores between high (>10 mg/d) and low consumers of anthocyanins (<10 mg/d). There was a trend for high anthocyanin consumers (n = 35, median = 44.87 (10.01, 177.83)) to score better on FCSRT-Delayed Free Recall scores (16.57 ± 3.74) compared to lower consumers (n = 30, median = 0.01 (0, 9.51)), (15.97 ± 0.18) with a mean difference (SE) of −1.06 (0.58) (p = 0.06) suggesting recall of 1.06 more words after a 20-30 minute delay. Higher consumers had a lower GDS score (1.77 ± 3.73) compared to lower consumers (3.73 ± 1.77), p = 0.01. Spot the word test scores (assesses premorbid verbal abilities using a robust lexical decision task) were higher for high anthocyanin consumers (53.06 ± 4.38) compared to lower consumers (50.40 ± 4.38), mean difference (SE) = −2.66 (1.10), p = 0.01, meaning participants with higher intake of dietary anthocyanin were able to point at 2.7 more real words than low consumers. Dietary consumption of anthocyanin in older adults with MIS is associated with beneficial effects on depressive scores and the ability to retrieve words. Further research is warranted to identify optimal dosage for recommended intake. This cross-sectional study used baseline data from a randomised controlled trial registered with the Australian New Zealand Clinical Trials Registry (ANZCTR):12622000065796.
Price, social life and proximity influence food choices: Engaging young people as co-researcher collaborators to better understand their surrounding school food environments
- S. Jia, A.A. Gibson, R. Raeside, R. Valanju, E. McMahon, B. Ren, F. Yan, K. Tse, M. X. Zeng, M. Allman-Farinelli, S.R. Partridge
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- Journal:
- Proceedings of the Nutrition Society / Volume 83 / Issue OCE1 / April 2024
- Published online by Cambridge University Press:
- 07 May 2024, E157
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Food environments around secondary schools are a strong influence on adolescents’ food purchasing habits1. We conducted a repeat cross-sectional study using Google Street View to examine school food environments in regional and metropolitan NSW, Australia over 17-years. Findings showed that unhealthful food outlets such as fast-food franchises, consistently dominated school food environments over 2007-2023. Increasing levels of poor nutrition among youth has been raised as a concern2 by the Health Advisory Panel for Youth at the University of Sydney [HAPYUS] - an established group of 16 adolescents aged 13-18 years residing in NSW3. To gain further insight into the study findings and how it may impact adolescents’ health, it is critical to include voices of adolescents in this research. The aim of this sub-study was to engage with members of our youth advisory group and conduct a consultation exercise on these study findings, drawing upon their lived experiences of school food environments. In Aug-2023, we engaged four youth advisors from HAPYUS. Study authors provided an overview of the study and its findings to the youth advisors via a Zoom call. Youth advisors formulated a 500-word statement on their perspectives and lived experiences of food environments surrounding their high schools over the subsequent 4 weeks. Adolescents agreed that physical proximity to unhealthy food outlets around schools was a key contributor to unhealthy eating habits however also recognised social and economic factors which play a significant role in shaping poor diets. The following quotes from their combined statement reflect social and economic concerns: i) “[We] observed on a daily basis young people were opting to travel to the closest food court for fast food, or in some extreme cases, even order fast food via a meal delivery app, to be delivered to the school - as opposed to choosing the closest outlet” ii) “Overpriced foods in schools with some drinks costing 2x more than a heavily discounted KFC meal, no meaningful difference between foods sold at canteens and those sold at fast food outlets - heavily processed, packaged snacks, pre-made reheated foods” iii) “Most unhealthy food outlets choose a location that is not only close to schools but also close to major shopping centres and food courts… ideal for an after-school social catchup as it appears to accommodate the needs of a large group of people.” Consultation findings revealed the importance of social and economic factors that must be analysed in addition to adolescents’ physical proximity to food outlets around their schools. Youth advisors call for governments to take immediate action to implement policies that ensure schools have cheap and healthy foods at canteens to mitigate against the purchase of foods from nearby unhealthy food outlets.
Increasing consumption of milk, yoghurt, and cheese in older adults in aged care reduces falls and fractures without adverse effects on serum lipids: a cluster randomised controlled trial
- S. Iuliano, D.L. Hare, S. Vogrin, S. Poon, J. Robbins, C. French, E. Seeman
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- Proceedings of the Nutrition Society / Volume 83 / Issue OCE1 / April 2024
- Published online by Cambridge University Press:
- 07 May 2024, E162
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Correction of dietary calcium and protein undernutrition using milk, yoghurt, and cheese in older adults in aged care homes is associated with reduced fractures and falls(1). As these foods contain potentially atherogenic fats, we aimed to determine whether these dietary changes adversely affect serum lipid profiles. Sixty aged care homes in Australia were randomised to intervention (n = 30 milk, yoghurt, and cheese enriched menu) or control (n = 30 regular menu) for 2 years. A sample of 159 intervention and 86 control residents (median age 87.8 years) had dietary intakes recorded using plate waste analysis and fasting serum lipids measured at baseline and 12 months. Diagnosis of cardiovascular disease and use of relevant medications were determined from medical records. Data were analysed using mixed effects linear regression model adjusting for clustering (aged care home) and other confounders. Intervention increased daily dairy servings from 1.9 ± 1.0 to 3.5 ± 1.4 (p<0.001) while controls continued daily intakes of £ 2 servings daily (1.7 ± 1.0 to 2.0 ± 1.0 (p<0.05). No group differences were observed for serum total cholesterol/high-density lipoprotein-C (TC/HDL-C) ratio, Apoprotein B/Apoprotein A (ApoB/ApoA) ratio, low-density lipoprotein-C (LDL-C), non-HDL-C, or triglycerides (TGs) at baseline and 12 months. Among older adults in aged care homes, correcting insufficiency in the daily intake of calcium and protein using milk, yoghurt and cheese does not alter serum lipid levels, suggesting that this is a suitable intervention for reducing the risk of falls and fractures.
Reducing hip and non-vertebral fractures in institutionalised older adults by restoring inadequate intakes of protein and calcium is cost-saving
- Y. Baek, S. Iuliano, J. Robbins, S. Poon, E. Seeman, Z. Ademi
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- Proceedings of the Nutrition Society / Volume 83 / Issue OCE1 / April 2024
- Published online by Cambridge University Press:
- 07 May 2024, E108
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Older adults in aged care homes account for 30% of the population burden of hip fractures(1). Nutritional interventions to correct protein and calcium inadequacies reduce these and other debilitating fractures, perhaps partly by reducing falls and slowing deterioration in bone morphology. We aimed to determine whether a nutritional approach to fracture risk reduction in aged care homes is cost-effective. Costing was estimated based on results of a prospective two-year cluster-randomised controlled trial involving 3313 residents in 27 aged care homes (intervention using high dairy menus), 3911 residents in 29 aged care homes (controls consuming from normal menus) and cost of ambulance, hospital, rehabilitation, and residential care incurred after fracture. The incremental cost-effectiveness ratios per fracture averted within a 2-year time horizon were estimated from the Australian healthcare perspective applying a 5% discount rate on costs after the first year. Intervention resulted in a total of 3.5 servings of milk, yoghurt and/or cheese daily, achieving 1,142mg calcium and 69g protein versus usual daily intakes of 700mg calcium and 58g protein consumed by controls. This intervention reduced all fractures by 33% at a daily cost of AU$0.66 per resident. The base-case results showed that intervention was cost-saving per fracture averted, with robust results in a variety of sensitivity and scenario analyses. Scaling the benefits of intervention to the Australian community equated to a saving of AU$66,780,000 annually in Australia and remained cost saving up to a daily food expenditure of AU$1.07 per aged care resident. Averting hip and other non-vertebral fractures in older adults in aged care homes by restoring nutritional inadequacies of protein and calcium is cost saving and supports the wide-spread implementation of this type of nutritional intervention in similar settings.
Metabolisable energy from nuts and patterns of nut consumption in Australia: secondary analysis of the 2011-12 National Nutrition and Physical Activity Survey
- C. Nikodijevic, Y. Probst, S-Y. Tan, E. Neale
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- Proceedings of the Nutrition Society / Volume 83 / Issue OCE1 / April 2024
- Published online by Cambridge University Press:
- 07 May 2024, E93
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Nut consumption in Australia does not meet recommended levels, and concern regarding the impact of nuts on body weight is a reported barrier to regular intake, due to their high energy content(1). Nut intake is not associated with higher body weight(2), which may be explained by their lower metabolisable energy(3). Hence, total energy intake may be overestimated among nut consumers. Nut consumption patterns in Australia are also unknown. This study aimed to describe the metabolisable energy from nuts, and nut consumption patterns of the Australian population. A previously developed nut-specific database was expanded to include the metabolisable energy of nuts based on nut type and form, and applied to the 2011-12 National Nutrition and Physical Activity Survey (NNPAS). Mean metabolisable energy was compared to mean energy intake determined using Atwater factors for nut consumers. Additionally, nut consumption patterns were also explored, including the proportion of nuts consumed at meals and snacks, proportion of nuts consumed alone or combined with other foods, and timing of nut intake. Among nut consumers, the mean metabolisable energy from nuts, based only on nut type, was 241.24 (95% CI: 232.00, 250.49) kJ/day. The mean metabolisable energy when considering both nut type and form was 260.69 (95% CI: 250.18, 271.21) kJ/day, while energy from nuts using Atwater factors was 317.60 (95% CI: 304.85, 330.35) kJ/day. Nuts were more likely to be consumed as snacks, with approximately 63% of all nut intake (in grams) occurring as a snack. Nuts were frequently consumed with other foods and beverages, with only 27% of nuts consumed alone or with plain water. Furthermore, nuts were most often consumed after midday (68% of intake) rather than in the morning (32% of intake). Application of metabolisable energy data to the 2011-12 NNPAS has a significant impact on the calculation of energy intake from nuts. Nut consumption patterns identify most nut consumption occurring as snacks and two-thirds of nut intake occurring in the afternoon and evening. These findings may inform strategies to promote nut consumption in Australia.
Pacific Islands Families Study: Food insecurity during pregnancy and secondary school educational achievement
- E. Rush, L. Iuistini, E-S. Tautolo, L. Plank
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- Proceedings of the Nutrition Society / Volume 83 / Issue OCE1 / April 2024
- Published online by Cambridge University Press:
- 07 May 2024, E114
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The nutritional environment in early life is a key factor for brain development and function. It is important to understand the relationship between early life nutrition and academic achievement in adolescence. The Pacific Islands families (PIF) birth cohort(1) were born in the year 2000. When their child was 6 weeks old mothers were asked questions concerning food security over the last year. Two binary measures of food security were derived as previously used in PIF and also by the Ministry of Health (MOH). Records of academic achievement for 649 youth were obtained from the National Certificate of Educational Achievement database in 2019. Highest qualifications and a composite ranking score allowed achievement to be assessed at levels 1, 2 and 3 of NCEA and for University Entrance (UE, lowest to highest). More females (27%) than males (18%) achieved UE as their highest qualification and more males (40%) than females (31%) achieved level 1 or 2 as their highest qualification. UE was achieved by 25% of those born into food secure households and 17% from food insecure households. Logistic regression demonstrated that being female increased the odds of achieving UE 1.8 fold and food security a further 1.6 fold. The prevalence of food insecurity was not different by sex but high at 29% and 42% using the PIF and MOH measure of food insecurity respectively. This work emphasises the importance of maternal and early life food security for subsequent academic achievement and the well-being of future generations.
Exploring school food provision programs and links to local foods in Pacific Island countries
- J. Perry, B. Horsey, J. Raneri, D. Hunter, S. O’Connor, M. Hyland-Wood, E. Casey, S. Burkhart
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- Proceedings of the Nutrition Society / Volume 83 / Issue OCE1 / April 2024
- Published online by Cambridge University Press:
- 07 May 2024, E20
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Providing access to food in schools can serve as a platform for food system transformation, while simultaneously improving educational outcomes and livelihoods. Locally grown and procured food is a nutritious, healthy, and efficient way to provide schoolchildren with a daily meal while, at the same time, improving opportunities for smallholder farmers(1). While there is significant potential for school food provision activities to support healthy dietary behaviours in the Pacific Islands region, there is limited evidence of these types of activities(2), including scope and links to local food production in the region. Therefore, the aim of this scoping study was to understand the current state of school food activities (school feeding, gardening and other food provision activities) and any current, and potential links to local agriculture in the Pacific Islands. A regional mapping activity was undertaken, initially covering 22 Pacific Island countries. The mapping included two steps: 1) a desk based scoping review including peer-reviewed and grey literature (2007-2022) and 2) One-hour semi-structured online Zoom interviews with key country stakeholders. Twelve sources were identified, predominately grey literature (n = 9). Thirty interviews were completed with at least 1 key stakeholder from 15 countries. A variety of school food provision activities were identified, including school feeding programs (n = 16, of varying scale), programs covering both school feeding and school gardens (n = 2), school garden programs (n = 12), and other school food provision activities (n = 4, including taste/sensory education, food waste reduction, increasing canteen capacity for local foods, supply chain distribution between local agriculture and schools). Existing links to local agriculture varied for the different programs. Of the 16 school feeding programs, 8 had a requirement for the use of local produce (policy requirement n = 6, traditional requirement from leaders n = 2). Of the 12 school garden programs, 6 used local or traditional produce in the garden and 5 involved local farmers in varying capacities. Challenges to linking local agriculture into school food provision programs were reported for 17 activities and were context dependent. Common challenges included limited funding, inflation, Covid-19, inadequate produce supply for the scale of program, limited farmer capacity, limited institutional support for local produce, low produce storage life, climatic conditions and disasters, water security, delayed procurement process, and limited professional development and upskilling opportunities. Modernisation and colonisation of food systems resulting in a preference for hyperpalatable foods and challenges in incorporating local produce in a way that is accepted by students was also identified as a challenge. This evidence can be used to develop a pathway to piloting and implementing models of school food provision programs and promoting opportunities for shared learning and collaboration with key stakeholders across the Pacific Islands region.
Delivery of a telehealth supported home exercise program with dietary advice to increase plant-based protein in people with non-alcoholic fatty liver disease: a 12-week pilot feasibility randomised controlled trial
- C. Freer, E. George, S-Y. Tan, G. Abbott, R. Daly
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- Journal:
- Proceedings of the Nutrition Society / Volume 83 / Issue OCE1 / April 2024
- Published online by Cambridge University Press:
- 07 May 2024, E102
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Telehealth overcomes common geographical barriers to community/clinic-based healthcare and lifestyle interventions, (1,2) but whether it is a feasible and safe mode of healthcare service delivery for lifestyle-based interventions in those with non-alcoholic fatty liver disease (NAFLD) remains unknown. This study evaluated the feasibility and safety of a home exercise program with dietary advice to increase plant-based protein delivered and monitored by healthcare professionals via telehealth in adults with NAFLD. Secondary aims were to assess changes in macronutrient intake including protein from plant and animal sources, body weight, physical activity and physical function. This was a 12-week pilot feasibility randomised controlled trial conducted in 28 inactive adults (>45 years) with NAFLD. Participants were randomly allocated to receive: 1) a home-based, muscle strengthening exercise program (3 days/week) delivered and monitored remotely by an exercise physiologist using the TeleHab exercise platform/app (VALD Health) plus support from a nutritionist to increase daily protein intake to ~1.2-1.5 g/kg/day from predominately plant-based sources and behavioural change support delivered via 3-4 weekly text messages (Pro-Ex, n = 14) or 2) usual care (UC, n = 14). Feasibility was assessed via retention (defined as ≤10% attrition), adherence [≥66% to the muscle strengthening program and ≥80% to the recommended daily protein serves [total (≥3-3½), plant (≥2) and animal (≤1-1½) per day (via protein checklist)] and safety (intervention-related adverse events). Secondary outcomes included macronutrient intake (3x24-hour records), weight (self-reported), habitual physical activity (PA) [moderate-to-vigorous (MVPA), minutes/week via the Short International Physical Activity Questionnaire], and physical function [30-second sit-to-stand (STS) performance]. Since this was a pilot feasibility study, mean group differences (6 and 12-weeks) were estimated, with 95% confidence intervals, and standardised effects [Cohen D, effect size (ES)] reported for secondary outcomes. Overall, 25 participants (89%) completed the intervention. In Pro-Ex, mean adherence to the exercise program was 52%, while adherence to the recommended plant, animal and total protein serves/day was 32%, 42% and 14% of participants, respectively. One minor exercise-related adverse event occurred from 241 completed sessions over 12 weeks. Relative to UC, Pro-Ex experienced a mean 2.7 (95%CI: 0.9, 4.4; large ES d = 1.29) increase in 30-sec STS number, 46 minute (95%CI: −153, 245; small ES d = 0.19) increase in MVPA, 1.7kg (95%CI: −3.5, 0.2; moderate ES d = 0.54) decrease in body weight, 35.2g (95%CI: 11.0, 59.3; large ES d = 1.23) increase in protein and 8.3g (95%CI:-20.5, 4.0; moderate ES d=-0.57) reduction in saturated fat. In middle-aged and older adults with NAFLD, a home exercise and plant-based dietary protein intervention delivered via telehealth was safe, but not feasible in terms of achieving the desired level of adherence. Despite this, exploratory analysis indicates this mode of healthcare service delivery could play a role to support weight management and improve physical activity and physical function in adults with NAFLD.
Snacking motivations and behaviour in Australian adults: The role of personality traits
- N. Kakoschke, S. Mercorella, P. Delfabbro, E. Brindal
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- Journal:
- Proceedings of the Nutrition Society / Volume 83 / Issue OCE1 / April 2024
- Published online by Cambridge University Press:
- 07 May 2024, E74
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Snacking, namely, consuming food and beverages in-between main meals, especially snacks with a high fat, salt and/or sugar content, is a major contributor to excessive energy intake and long-term weight gain(1). There are many potential drivers of snacking behaviours, including physiological (e.g., hunger) as well as social, psychological, and emotional reasons(2). Individual differences, such as personality traits, have been linked to unhealthy snacking. Nevertheless, it is important to examine the potential explanatory pathways, such as motivations for snacking and habit strength, that may explain this relationship between personality and snacking. This cross-sectional study investigated the associations between personality traits, habit strength, motivations for snacking, and snacking behaviour, including choice and consumption. Participants were n = 230 Australian adults (female: n = 164; 71.3%) aged 18-77 years old (M = 34 years, SD = 13.4) who completed an online survey. The survey included assessments of personality traits (The Big Five Inventory 2), habit strength (the Self-Report Habit Index), motivations for snacking (The Eating Motivation Survey), momentary snack food choice (Snack Preference Task), and habitual snack food consumption (Snack Frequency Questionnaire). Overall, the most frequently selected motivations for snacking were ‘liking’, ‘convenience’, and ‘habit’. Correlation analyses were conducted to examine the relationship between motivations for snacking and snacking behaviour. We found that health motivation for snacking was negatively correlated with momentary choice (r = -.042, p <.01) and habitual consumption (r = -.033, p <.01) of unhealthy snack foods and beverages. Hierarchical multiple regression analyses were used to examine whether habit strength and the Big Five personality traits predicted both motivations for snacking and snacking behaviours after controlling for demographic variables. For health motivations for snacking, habit strength (beta = −0.15, p = .025), openness (beta = 0.50, p = .003, and conscientiousness (beta = 0.58, p = .001) were significant predictors. For momentary choice of unhealthy snacks, health motivation (beta = −4.35, p = .004), pleasure (beta = 3.53, p = .029), and visual appeal (beta = 5.29, p <.001) were significant predictors. For habitual consumption of unhealthy snacks, health motivation (beta = −5.39, p = .001), habit strength (beta = 2.89, p = .045) and neuroticism (beta = 5.16, p = .045) were significant predictors. These findings indicate that health motivation for snacking predicts both momentary snack preference and habitual snack food consumption. Moreover, personality traits may be linked with habitual unhealthy snacking behaviour via their association with specific motivations for snacking. Overall, these findings suggest that health promotion messages focusing on health motivation may be important for increasing healthier momentary and habitual snack choices to improve dietary intake and support weight management.
The GUTFIT Cohort: Understanding of different gastrointestinal symptoms score variation between Chinese and non-Chinese individuals with functional constipation
- H. Swarnamali, J. Cree, J. Jiet Lim, R. Jayaprakash, E. Zeng, P. Sharma, A. Shrestha, S. Rosanowski, K. Fraser, N. Butowski, H. Tegetmeyer, W. Young, E. Altermann, S. Nivins, R. Gearry, N.C. Roy, R.F. Mithen, M.P.G. Barnett, A.M. Milan
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- Journal:
- Proceedings of the Nutrition Society / Volume 83 / Issue OCE1 / April 2024
- Published online by Cambridge University Press:
- 07 May 2024, E160
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The diagnosis of functional constipation (FC) relies on patient-reported outcomes evaluated as criteria based on the clustering of symptoms. Although the ROME IV criteria for FC diagnosis is relevant for a multicultural population(1), how an individual’s lifestyle, environment and culture may influence the pathophysiology of FC remains a gap in our knowledge. Building on insights into mechanisms underpinning disorders of gut-brain interactions (formerly functional gastrointestinal disorders) in the COMFORT Cohort(2), this study aimed to investigate the differences in gastrointestinal (GI) symptom scores among participants with FC in comparison to healthy controls between Chinese and non-Chinese New Zealanders. The Gastrointestinal Understanding of Functional Constipation In an Urban Chinese and Urban non-Chinese New Zealander Cohort (GUTFIT) study was a longitudinal cohort study, which aimed to determine a comprehensive profile of characteristics and biological markers of FC between Chinese and non-Chinese New Zealanders. Chinese (classified according to maternal and paternal ethnicity) or non-Chinese (mixed ethnicities) adults living in Auckland classified as with or without FC based on ROME IV were enrolled. Monthly assessment (for 3 months) of GI symptoms, anthropometry, quality of life, diet, and biological samples were assessed monthly over March to June 2023. Demographics were obtained through a self-reported questionnaires and GI symptoms were assessed using the Gastrointestinal Symptom Rating Scale (GSRS) and Structured Assessment of Gastrointestinal Symptoms Scale (SAGIS). This analysis is a cross-sectional assessment of patient-reported outcomes of GI symptoms. Of 78 enrolled participants, 66 completed the study (male, n = 10; female, n = 56) and were distributed across: Chinese with FC (Ch-FC; n = 11), Chinese control (Ch-CON; n = 19), non-Chinese with FC (NCh-FC; n = 16), non-Chinese control (NCh-CON; n = 20). Mean (SD) age, body mass index, and waist circumference were 40 ± 9 years, 22.7 ± 2.5 kg/m2, and 78.0 ± 7.6 cm, respectively. Ethnicity did not impact SAGIS domain scores for GI symptoms (Ethnicity x FC severity interaction p>0.05). Yet, the constipation symptoms domain of the GSRS was scored differently depending on ethnicity and FC status (Ethnicity x FC interaction p<0.05). In post hoc comparison, NCh-FC tended to have higher GSRS constipation severity scores than Ch-FC (3.4 ± 1.0 versus 3.8 ± 0.8 /8, p<0.1) Although constipation symptom severity tended to be higher in NCh-FC, on the whole, ethnicity did not explain variation in this cohort. FC status was a more important predictor of GI symptoms scores. Future research will assess differences in symptom burden to explore ethnicity-specific characteristics of FC.
The GUTFIT Cohort: Identifying dietary intake of Chinese New Zealanders with functional constipation
- E. Zeng, N. Gillies, S. Ram, J. Cree, J. Jiet Lim, H. Swarnamali, R. Jayaprakash, P. Sharma, A. Shrestha, S. Rosanowski, K. Fraser, N. Butowski, H. Tegetmeyer, W. Young, E. Altermann, S. Nivins, R. Gearry, N.C. Roy, R.F. Mithen, M.P.G. Barnett, A.M. Milan
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- Journal:
- Proceedings of the Nutrition Society / Volume 83 / Issue OCE1 / April 2024
- Published online by Cambridge University Press:
- 07 May 2024, E183
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Distinct pathophysiology has been identified with disorders of gut-brain interactions (DGBI), including functional constipation (FC)(1,2), yet the causes remain unclear. Identifying how modifiable factors (i.e., diet) differ depending on gastrointestinal health status is important to understand relationships between dietary intake, pathophysiology, and disease burden of FC. Given that dietary choices are culturally influenced, understanding ethnicity-specific diets of individuals with FC is key to informing appropriate symptom management and prevention strategies. Despite distinct genetic and cultural features of Chinese populations with increasing FC incidence(3), DGBI characteristics are primarily described in Caucasian populations(2). We therefore aimed to identify how dietary intake of Chinese individuals with FC differs to non-Chinese individuals with FC, relative to healthy controls. The Gastrointestinal Understanding of Functional Constipation In an Urban Chinese and Urban non-Chinese New Zealander Cohort (GUTFIT) study was a longitudinal case-control study using systems biology to investigate the multi-factorial aetiology of FC. Here we conducted a cross-sectional dietary intake assessment, comparing Chinese individuals with FC (Ch-FC) against three control groups: a) non-Chinese with FC (NCh-FC) b) Chinese without FC (Ch-CON) and c) non-Chinese without FC (NCh-CON). Recruitment from Auckland, New Zealand (NZ) identified Chinese individuals based on self-identification alongside both parents self-identifying as Chinese, and FC using the ROME IV criteria. Dietary intake was captured using 3-day food diaries recorded on consecutive days, including one weekend day. Nutrient analysis was performed by Foodworks 10 and statistical analysis with SPSS using a generalised linear model (ethnicity and FC status as fixed factors). Of 78 enrolled participants, 66 completed the study and 64 (39.4 ± 9.2 years) completed a 3-day food diary at the baseline assessment. More participants were female (84%) than male (16%). FC and ethnicity status allocated participants into 1 of 4 groups: Ch-FC (n = 11), Ch-CON (n = 18), NCh-FC (n = 16), NCh-CON (n = 19). Within NCh, ethnicities included NZ European (30%), non-Chinese Asian (11%), Other European (11%), and Latin American (2%). Fibre intake did not differ between Ch-FC and NCh-FC (ethnicity × FC status interaction p>0.05) but was independently lower overall for FC than CON individuals (21.8 ± 8.7 versus 27.0 ± 9.7 g, p<0.05) and overall for Ch than NCh (22.1 ± 8.0 versus 27.0 ± 10.4 g, p<0.05). Carbohydrate, protein, and fat intakes were not different across groups (p>0.05 each, respectively). In the context of fibre and macronutrient intake, there is no difference between Ch-FC and NCh-FC. Therefore, fibre and macronutrients are unlikely to contribute to potential pathophysiological differences in FC between ethnic groups. A more detailed assessment of dietary intake concerning micronutrients, types of fibre, or food choices may be indicated to ascertain whether other dietary differences exist.
Understanding barriers and facilitators to diet and physical activity modification in people with polycystic ovary syndrome: a mixed method systematic review
- M. McGowan, R. Garad, G. Wadhwani, S. Torkel, V. Rao, A. Maunder, E. Osei-Safo, S. Cowan, L.J. Moran
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- Proceedings of the Nutrition Society / Volume 83 / Issue OCE1 / April 2024
- Published online by Cambridge University Press:
- 07 May 2024, E81
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Polycystic Ovary Syndrome PCOS is an endocrine disorder affecting 8 to 13% of reproductive aged women(1). Dietary and physical activity changes are the first-line therapy to assist with symptom and weight management and to reduce the risk of reproductive, metabolic and psychological comorbidities(2). However, women with PCOS have a higher weight, experience weight gain, and a higher prevalence of living in a larger body. Health care professionals (HCPs) play a crucial role in delivering diet and physical activity advice for people with PCOS. Thus, the aim of this systematic review is to understand the barriers, facilitators, experiences, and perceptions of engagement and compliance with diet and physical activity modifications in people with PCOS and in HCPs providing or referring people with PCOS to diet and physical activity modifications. A mixed-method systematic review was conducted with quantitative studies narratively synthesised and all studies thematically analysed. There were 68 eligible papers, including n = 59 (n = 5198) people with PCOS and n = 17 (n = 2,622) HCPs. Several themes were identified as impacting people with PCOS’ ability to make diet and physical activity changes. HCP education on PCOS management through diet and physical activity was viewed by HCPs and people with PCOS to be inadequate, further impacting the quality of care and health outcomes. Dietary and physical activity advice delivered by a multidisciplinary team, including dietitians, was identified as a key component for change. Both people with PCOS and HCPs agreed that there was a need for individualised and PCOS-specific diet and physical activity advice. However, HCPs viewed that there was limited evidence supporting these recommendations and a lack of time to deliver this care. Weight stigma was identified as impacting both those in larger and smaller bodies with PCOS, reducing the quality of care and affecting self-perception and mental health. People with PCOS perceived that diet and physical activity are overly focused on weight loss and fertility, independent of their own personal motivations and goals. Systemic changes, including receiving diet and physical activity advice that meet the individual’s needs, are necessary for leading to long-term sustainable changes and improvements in health outcomes. A multidisciplinary team approach and an overhaul of HCPs’ perceptions and mentality of weight and weight-centric care for those with PCOS are essential in delivering effective diet and physical activity advice.
Molecular detection of Histoplasma capsulatum in organ samples from bats randomly captured in urban areas of Araraquara, São Paulo state, Brazil
- Jessica A. Ruiz-Muñoz, Gabriela Rodríguez-Arellanes, José A. Ramírez, Laura E. Carreto-Binaghi, Ana M. Fusco-Almeida, Maria José S. Mendes-Giannini, Blanca E. García-Pérez, Maria Lucia Taylor
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- Journal:
- Epidemiology & Infection / Accepted manuscript
- Published online by Cambridge University Press:
- 06 May 2024, pp. 1-26
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