You've tried it all – from high-protein diets to going gluten-free – and you still haven't lost any weight. It's time to toss out everything you think you know about dieting! Dr. Joel Fuhrman reveals the real reasons why popular diets don't work.

View Part 1 of Dr. Joel Fuhrman Reveals the Top 5 Diet Disasters.


Learn more about the top 5 diet mistakes smart women make.

Watch Dr. Fuhrman explain how to stop toxic hunger for good.

Watch Dr. Fuhrman reveal the top five foods that fight toxic hunger.

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.