1. Centers for Disease Control and Prevention. (2011). Overweight and Obesity. Atlanta, GA: Centers for Disease Control and Prevention. Available at: http://www.cdc.gov/obesity/index.html . Accessed 15 Dec 2011.
2. Neovius, M., Sandström, J., & Rasmussen, F. (2009). Combined effects of overweight and smoking in late adolescence on subsequent mortality: Nationwide cohort study. BMJ, 338(7695), 1–8.
3. Stewart, S. T., Cutler, D. M., & Rosen, A. B. (2009). Forecasting the effects of obesity and smoking on US life expectancy. New England Journal of Medicine, 361(23), 2252–2260.
4. Sturm, R. (2002). The effects of obesity, smoking, and drinking on medical problems and costs. Health Affairs (Millwood), 21(2), 245–253.
5. Sturm, R., Ringel, J. S., & Andreyeva, T. (2004). Increasing obesity rates and disability trends. Health Affairs (Millwood), 23(2), 199–205.