The Endocrine Society. "Obesity in America Headlines." Welcome to Obesity in America. N.p., n.d. Web. 17 Dec. 2012.
MacNeil, and Leher. "Explore PBS." PBS. PBS, n.d. Web. 17 Dec. 2012
"Facts About Obesity in the United States." Centers for Disease Control and Prevention. Centers for Disease Control and Prevention, n.d. Web. 17 Dec. 2012