Steven Smith, Sanford-Burnham Medical Research Institute

Caption: Steven Smith, M.D., directs the Florida Hospital -- Sanford-Burnham Translational Research Institute for Metabolism and Diabetes.

Credit: Sanford-Burnham Medical Research Institute

Usage Restrictions: Free to use in conjunction with this story only, using provided caption and credit

Related news release: How belly fat differs from thigh fat -- and why it matters