J.R. shares his incredible survival story. Hear how he suffered severe burns in Iraq and how he was able to overcome his challenges mentally, physically and emotionally.

View Part 1 of J.R. Martinez's Survival Story.

Watch J.R. Martinez talk about his journey and what's he's learned from other burn survivors.

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.