Dr. Oz discusses his controversial advice about requesting thyroid guards during mammograms and dental x-rays. Here, his critics weigh in. Your health is on the line. What would you do?

Click here to watch Part 1


Click here to watch Part 3

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.