Dr. Oz takes on your biggest complaints yet! Find out why you're always fatigued, and the one, easy solution that will boost your energy. Plus, the 400 pound YouTube star that's addicted to fast food. Dr. Oz helps him face the truth about his health. Watch as he takes Dr. Oz's Healthy Fast Food Challenge head on!

After years of trying to get pregnant, doctors told Kelsi Pierce it would be near impossible for her to conceive a child. However, Kelsi got the surprise of her life when her mom volunteered to be her surrogate — and she found out she, too, was pregnant!

x