As you get older, your memory can start to fade. But by using these tips, you can improve your memory and keep your brain young. Dr. Oz challenges the audience to pick the best brain-boosting foods, activities and supplements.

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.