The prevalence of overweight and obesity in America has increased dramatically over the past five decades, today identified as a significant public health issue. The total prevalence of overweight and obesity increased from about 45% in 1960 to almost two thirds of our population in 2004. (National Center for Health Statistics, 2006). In 2008, the Centers for Disease Control(CDC) Behavioral Risk Factor Surveillance System determined the prevalence of overweight(bmi 25.0-29.0) and of obesity (bmi 30+) to be 36.6% and 26.6%, respectively. These figures represent a similar rate of overweight as reported by the CDC in 2002 (37%) but the reported prevalence of obesity increased by almost 21% in that six year period.

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