If you're exhausted all the time, the reason could be hiding in your medicine cabinet. Dr. Oz reveals the three popular medications that could be causing fatigue and what you can do to boost your energy.

Watch Dr. Oz explain how you can put an end to your energy crisis.

Learn more about effective fatigue fighters.

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.