Just a few moments of learning the symptoms of a stroke can save lives. Watch Dr. Oz explain three simple things to do if you suspect someone is having a stroke.

Watch Dr. Oz share exclusive tips about beating winter blues.

Watch Dr. Oz discuss his top tips for breast-cancer prevention.

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!