1. Centers for Disease Control & Prevention, Overweight & Obesity Statistics. http://www.cdc.gov/obesity/data/adult.html Accessed 15 Oct 2014
2. American Society for Metabolic & Bariatric Surgery Fact Sheet (2015). https://asmbs.org/resources/obesity-in-america . Accessed 22 March 2015
3. Society of Actuaries—(2011). New Society of Actuaries Study Estimates $300 Billion Economic Cost Due to Overweight and Obesity. http://www.soa.org/News-and-Publications/Newsroom/Press-Releases/New-Society-of-Actuaries-Study-Estimates-$300-Billion-Economic-Cost-Due-to-Overweight-and-Obesity.aspx . Accessed 28 Mar 2015
4. American Society of Metabolic & Bariatric Surgery, Estimate of Bariatric Surgery Numbers. https://asmbs.org/resources/estimate-of-bariatric-surgery-numbers . Accessed 02 April 2015
5. What the numbers reveal. http://connect.asmbs.org/may-2014-bariatric-surgery-growth.html . Accessed 02 April 2015