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Human rights cases challenging government inaction on climate change have been filed throughout the world. These cases seek to enforce government obligations to respect the rights of individuals, communities adversely affected by climate change, and specific groups of vulnerable persons. An expanding body of climate change detection and attribution research supports these claims by demonstrating that climate change is occurring and causing harmful impacts and can be linked to government policies and conduct. The research is robust, supporting claims related to both mitigation and adaptation obligations. There are gaps and limitations in the research, but those constraints do not present a major obstacle to pursuing rights-based climate litigation. Attribution science is particularly well-suited to supporting community petitions that are based on collective rights, as evidence of attribution tends to be stronger when looking at impacts on a broader geographic and temporal scale. And by using attribution science to demonstrate that future climate impacts are foreseeable, litigants bolster their claims challenging governments’ failures to adapt.
To examine the use of vitamin D supplements during infancy among the participants in an international infant feeding trial.
Longitudinal study.
Information about vitamin D supplementation was collected through a validated FFQ at the age of 2 weeks and monthly between the ages of 1 month and 6 months.
Infants (n 2159) with a biological family member affected by type 1 diabetes and with increased human leucocyte antigen-conferred susceptibility to type 1 diabetes from twelve European countries, the USA, Canada and Australia.
Daily use of vitamin D supplements was common during the first 6 months of life in Northern and Central Europe (>80 % of the infants), with somewhat lower rates observed in Southern Europe (>60 %). In Canada, vitamin D supplementation was more common among exclusively breast-fed than other infants (e.g. 71 % v. 44 % at 6 months of age). Less than 2 % of infants in the USA and Australia received any vitamin D supplementation. Higher gestational age, older maternal age and longer maternal education were study-wide associated with greater use of vitamin D supplements.
Most of the infants received vitamin D supplements during the first 6 months of life in the European countries, whereas in Canada only half and in the USA and Australia very few were given supplementation.
Acquired lengthening of the QT interval due to hypocalcaemia is a rare cause of arrhythmia in childhood. Early recognition, rapid institution of appropriate cardiac monitoring, and replacement therapy are essential. An endocrinal work-up may be necessary to exclude primary disorders of calcium metabolism. We report four cases documenting the varied clinical spectrum in which hypocalcaemic-induced prolongation of the QT interval and arrhythmia can occur in childhood.
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