Actress turned activist Marlo Thomas talks to Dr. Oz about her decision to continue her father's work with the St. Jude's Children's Hospital and what you can do to help put an end to childhood cancer.

View Part 2 of Marlo Thomas and the Miracle of St. Jude's Research Hospital.

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.