It was the criminal case that shocked the nation: the murder of Washington intern Chandra Levy. Will new revelations lead to her true killer? Chandra Levy’s mother Susan breaks her silence about who she thinks really killed her daughter and how this tragedy has affected her health. Plus, see why doctors say the Mediterranean diet is better than meds.

Dr. Oz goes where he's never gone before. He's letting you eat fast-food and it's not what you expect. Learn which fast food meals you can eat under 500 calories while still enjoying the food you love.