1. Bhaskaran K, Douglas I, Forbes H, dos-Santos-Silva I, Leon DA, Smeeth L. Body-mass index and risk of 22 specific cancers: a population-based cohort study of 5.24 million UK adults. Lancet. 2014;384:755–65.
2. National Institute of Health, National Heart, Lung, and Blood Institute. Managing overweight and obesity in adults: Systematic evidence review from the obesity expert panel. 2013. https://www.nhlbi.nih.gov/sites/default/files/media/docs/obesity-evidence-review.pdf. Accessed Jan 24 2020.
3. National Heart, Lung, Blood Institute, National Institute of Diabetes, Digestive, & Kidney Diseases. Clinical guidelines on the identification, evaluation, and treatment of overweight and obesity in adults: the evidence report (No. 98). 1998.
4. Franssen FME, O’Donnell DE, Goossens GH, Blaak EE, Schols AMWJ. Obesity and the lung: 5· Obesity and COPD. Thorax. 2008;63(12):1110–7.
5. U.S. Department of Health and Human Services, Office of Disease Prevention and Health Promotion. 2020 leading health indicators: Nutrition, physical activity, and obesity. http://www.healthypeople.gov/2020/leading-health-indicators/2020-lhi-topics/Nutrition-Physical-Activity- and-Obesity. Accessed Jan 24 2020.