Fitness vs. Fatness: What's More Important?

A controversial idea called "the obesity paradox" holds that people who carry excess weight may actually live longer than their trimmer counterparts. Although the obesity paradox may seem counterintuitive, numerous epidemiological studies have shown that among people who have heart disease those who are overweight or obese tend to have a better prognosis than those who are leaner. But a person's weight — whether it's from their body fat or their lean tissue — is not the only factor t