2 Gögebakan, O, Kohl, A, Osterhoff, MA, et al. (2011) Effects of weight loss and long-term weight maintenance with diets varying in protein and glycemic index on cardiovascular risk factors: the diet, obesity, and genes (DiOGenes) study: a randomized, controlled trial. Circulation 124, 2829–2838.
3 Ornish, D (1997) Every Day Cooking With Dean Ornish. New York: Harper Collins.
4 Sears, B & Lawren, W (1995) Enter the Zone. New York: Harper Collins.
5 Weight Watchers Publishing Group (1997) Weight Watchers New Complete Cookbook. New York: Macmill.
6 Accurso, A, Bernstein, R, Dahlqvist, A, et al. (2008) Dietary carbohydrate restriction in type 2 diabetes mellitus and metabolic syndrome: time for a critical appraisal. Nutr Metab (Lond) 5, 9.
7 Alhassan, S, Kim, S, Bersamin, A, et al. (2008) Dietary adherence and weight loss success among overweight women: results from the A to Z weight loss study. Int J Obes (Lond) 32, 985–991.
8 Sacks, FM, Bray, GA, Carey, VJ, et al. (2009) Comparison of weight-loss diets with different compositions of fat, protein, and carbohydrates. N Engl J Med 360, 859–873.
9 Krieger, JW, Sitren, HS, Daniels, MJ, et al. (2006) Effects of variation in protein and carbohydrate intake on body mass and composition during energy restriction: a meta-regression. Am J Clin Nutr 83, 260–274.
10 Hession, M, Rolland, C, Kulkarni, U, et al. (2009) Systematic review of randomized controlled trials of low-carbohydrate vs. low-fat/low-calorie diets in the management of obesity and its comorbidities. Obes Rev 10, 36–50.
11 Nordmann, AJ, Nordmann, A, Briel, M, et al. (2006) Effects of low-carbohydrate vs low-fat diets on weight loss and cardiovascular risk factors: a meta-analysis of randomized controlled trials. Arch Intern Med 166, 285–293.
12 Santos, FL, Esteves, SS, da Costa Pereira, A, et al. (2012) Systematic review and meta-analysis of clinical trials of the effects of low carbohydrate diets on cardiovascular risk factors. Obes Rev 13, 1048–1066.
13 Moher, D, Liberati, A, Tetzlaff, J, et al. (2009) Preferred reporting items for systematic reviews and meta-analyses: the PRISMA statement. Ann Intern Med 151, 264–269.
15 Robinson, KA & Dickersin, K (2002) Development of a highly sensitive search strategy for the retrieval of reports of controlled trials using PubMed. Int J Epidemiol 31, 150–153.
16 World Health Organization Expert Consultation (2004) Appropriate body-mass index for Asian populations and its implications for policy and intervention strategies. Lancet 363, 157–163.
20 DerSimonian, R & Laird, N (1986) Meta-analysis in clinical trials. Control Clin Trials 7, 177–188.
22 Harbord, RM & Higgins, JPT (2008) Meta-regression in stata. Stata J 8, 493–519.
23 Peters, JL, Sutton, AJ, Jones, DR, et al. (2008) Contour-enhanced meta-analysis funnel plots help distinguish publication bias from other causes of asymmetry. J Clin Epidemiol 61, 991–996.
24 Egger, M, Smith, GD, Schneider, M, et al. (1997) Bias in meta-analysis detected by a simple, graphical test. BMJ 315, 629–634.
25 Vetter, ML, Iqbal, N, Volger, S, et al. (2010) Long-term effects of low-carbohydrate versus low-fat diets in obese persons. Ann Int Med 152, 334–335.
26 Stern, L, Iqbal, N, Seshadri, P, et al. (2004) The effects of low-carbohydrate versus conventional weight loss diets in severely obese adults: one-year follow-up of a randomized trial. Ann Intern Med 140, 778–785.
27 Foster, GD, Wyatt, HR, Hill, JO, et al. (2010) Weight and metabolic outcomes after 2 years on a low-carbohydrate versus low-fat diet: a randomized trial. Ann Intern Med 153, 147–157.
28 Brinkworth, GD, Noakes, M, Buckley, JD, et al. (2009) Long-term effects of a very-low-carbohydrate weight loss diet compared with an isocaloric low-fat diet after 12 mo. Am J Clin Nutr 90, 23–32.
29 Iqbal, N, Vetter, ML, Moore, RH, et al. (2010) Effects of a low-intensity intervention that prescribed a low-carbohydrate vs. a low-fat diet in obese, diabetic participants. Obesity (Silver Spring) 18, 1733–1738.
30 Gardner, CD, Kiazand, A, Alhassan, S, et al. (2007) Comparison of the Atkins, Zone, Ornish, and LEARN diets for change in weight and related risk factors among overweight premenopausal women: the A to Z Weight Loss Study: a randomized trial. JAMA 297, 969–977.
31 Ebbeling, CB, Swain, JF, Feldman, HA, et al. (2012) Effects of dietary composition on energy expenditure during weight-loss maintenance. JAMA 307, 2627–2634.
32 Westman, EC, Feinman, RD, Mavropoulos, JC, et al. (2007) Low-carbohydrate nutrition and metabolism. Am J Clin Nutr 86, 276–284.
33 Volek, JS, Sharman, MJ & Forsythe, CE (2005) Modification of lipoproteins by very low-carbohydrate diets. J Nutr 135, 1339–1342.
34 Krauss, RM, Blanche, PJ, Rawlings, RS, et al. (2006) Separate effects of reduced carbohydrate intake and weight loss on atherogenic dyslipidemia. Am J Clin Nutr 83, 1025–1031.
35 Berneis, KK & Krauss, RM (2002) Metabolic origins and clinical significance of LDL heterogeneity. J Lipid Res 43, 1363–1379.
36 Appel, LJ, Sacks, FM, Carey, VJ, et al. (2005) Effects of protein, monounsaturated fat, and carbohydrate intake on blood pressure and serum lipids: results of the omniheart randomized trial. JAMA 294, 2455–2464.
37 Anonymous (2001) Primer on statistical significance and P values. Eff Clin Pract 4, 183–184.
38 Wadden, TA, Volger, S, Sarwer, DB, et al. (2011) A two-year randomized trial of obesity treatment in primary care practice. N Engl J Med 365, 1969–1979.
39 Alberti, KG, Zimmet, P, Shaw, J, et al. (2005) The metabolic syndrome – a new worldwide definition. Lancet 366, 1059–1062.
40 Kass, L, Weekes, J & Carpenter, L (2012) Effect of magnesium supplementation on blood pressure: a meta-analysis. Eur J Clin Nutr 66, 411–418.
41 Ried, K, Sullivan, TR, Fakler, P, et al. (2012) Effect of cocoa on blood pressure. The Cochrane Database of Systematic Reviews, issue 8
42 Haufe, S, Engeli, S, Kast, P, et al. (2011) Randomized comparison of reduced fat and reduced carbohydrate hypocaloric diets on intrahepatic fat in overweight and obese human subjects. Hepatology 53, 1504–1514.
43 Phillips, SA, Jurva, JW, Syed, AQ, et al. (2008) Benefit of low-fat over low-carbohydrate diet on endothelial health in obesity. Hypertension 51, 376–382.
44 Lagiou, P, Sandin, S, Lof, M, et al. (2012) Low carbohydrate-high protein diet and incidence of cardiovascular diseases in Swedish women: prospective cohort study. BMJ 344, e4026–e4037.
45 Friedman, AN, Ogden, LG, Foster, GD, et al. (2012) Comparative effects of low-carbohydrate high-protein versus low-fat diets on the kidney. Clin J Am Soc Nephrol 7, 1103–1111.
46 Greenberg, I, Stampfer, MJ, Schwarzfuchs, D, et al. (2009) Adherence and success in long-term weight loss diets: the dietary intervention randomized controlled trial (DIRECT). J Am Coll Nutr 28, 159–168.
47 Institute of Medicine (2011) Finding What Works in Health Care: Standards for Systematic Reviews. Washington, DC: The National Academy Press.
48 Centre for Reviews and Dissemination (2009) Systematic Reviews: CRD's Guidance for Undertaking Reviews in Health Care. York: York Publishing Services.
49 Shai, I, Schwarzfuchs, D, Henkin, Y, et al. (2008) Weight loss with a low-carbohydrate, Mediterranean, or low-fat diet. N Engl J Med 359, 229–241.
50 Dansinger, ML, Gleason, JA, Griffith, JL, et al. (2005) Comparison of the atkins, ornish, weight watchers, and zone diets for weight loss and heart disease risk reduction: a randomized trial. JAMA 293, 43–53.
51 Davis, NJ, Tomuta, N, Schetcher, C, et al. (2009) Comparative study of the effects of a 1-year dietary intervention of a low-carbohydrate diet versus a low-fat diet on weight and glycemic control in type 2 diabetes. Diabetes Care 32, 1147–1152.
52 Dyson, PA, Beatty, S & Matthews, DR (2010) An assessment of low-carbohydrate or low-fat diets for weight loss at 2 year's follow-up. Diabet Med 27, 363–368.
53 Foster, GD, Wyatt, HR, Hill, JO, et al. (2003) A randomized trial of a low-carbohydrate diet for obesity. N Engl J Med 348, 2082–2090.
54 Lim, SS, Noakes, M, Keogh, JB, et al. (2010) Long-term effects of a low carbohydrate, low fat or high unsaturated fat diet compared to a no-intervention control. Nutr Metab Cardiovasc Dis 20, 599–607.
55 McAuley, KA, Smith, KJ, Taylor, RW, et al. (2006) Long-term effects of popular dietary approaches on weight loss and features of insulin resistance. Int J Obes (Lond) 30, 342–349.
56 Truby, H, Baic, S, deLooy, A, et al. (2006) Randomised controlled trial of four commercial weight loss programmes in the UK: initial findings from the BBC “diet trials”. BMJ 332, 1309–1314.