Could Pot Harm Men's Sperm?

New research shows that marijuana causes genetic changes in sperm, though it's not clear what effect those changes have, or if they're passed on to a man's children.

Fertility

Crazy Cool Things That Happen When You Ovulate

Can you tell when you're ovulating? Can others tell? You may be surprised at some of the outward signs of ovulation—from how you look to how you act.

Sexual Health