Shockingly, infidelity affects 1 out of every 3 marriages. Could it happen to you? Dr. Oz has the quiz to assess the safety of your marriage. Learn the warning signs of cheating to look for in your spouse.

Click here to watch Part 2 of Is Your Spouse Cheating?

Click here to take a quiz to learn how likely your spouse is to cheat.

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.