Lawrence Cheskin

A January report in the prestigious Journal of the American Medical Association sparked a mini-firestorm in the medical community by suggesting that being slightly overweight -- but not obese -- may be advantageous to your health. A look at the findings and the significance of the Body Mass Index, the fundamental measure for body fat, in predicting long-term health. Our guest: Lawrence Cheskin, founder and director of the Johns Hopkins Weight Management Center, joins us.