Memory champion Nelson Dellis joins Dr. Oz to reveal the secrets to a strong memory. Learn a simple exercise that can boost your brainpower and the best snack for a super memory.

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!