Risk Factors and Symptoms of Obesity
Some of the risks in obesity and being overweight are the same. For example, some people are predisposed or have a genetic history that causes them to be more likely to become overweight. This does not mean that everyone with a genetic tendency toward a larger bone structure or body will become obese.

Defining Obesity - A National Epidemic

Most people know if they are obese they carry too much body fat. But what exactly distinguishes someone with obesity from someone that is carrying around a few extra pounds?

Bill Clinton's Campaign: Fighting Obesity In Children