1. National Center for Health Statistics. National Health and Nutrition Examination Survey. 2001. Available at Accessed September 20, 2004. http://www.cdc.gov/nchs/nhanes.htm
2. National Center for Chronic Disease Prevention and Health. Behavioral Risk Factor Surveillance System: 1990-2002 Overweight by Body Mass Index Trends Data. 2001. Available at: Accessed May 1, 2004. http://apps.nccd.cdc.gov/brfss/Trends/trendchart.asp?qkey=10080&state=US
3. Finkelstein E, Fiebelkorn I, Wang G. State-level estimates of annual medical expenditures attributable to obesity. Obes Res. 2004; 12:18-24.
4. National Institute of Health. U.S. teens more overweight than youth in 14 other countries. NIH News. January 5, 2004. Available at: Accessed May 15, 2004. http://www.nichd.nih.gov/new/releases/teen_obesity.cfm.
5. National Center for Chronic Disease Prevention and Health. Behavioral Risk Factor Surveillance System: 1991-2001 Prevalence of Obesity Among U.S. Adults, by Characteristics. 2001. Available at: Accessed January 26, 2005. http://www.cdc.gov/nccdphp/dnpa/obesity/trend/prev_char.htm.