When does PMS first appear?

Premenstrual syndrome is practically a rite of passage for women of most ages. In this video, HealthMaker Louann Brizendine, MD, a neuropsychiatrist at UCSF Medical Center, talks about PMS and how it fluctuates throughout life.

Painful cramps, bouts of irritability or sadness, sleep issues—sometimes it's more than PMS.

This tiny organ has 10,000 nerve endings dedicated solely to pleasure. And that’s not all.

This medical procedure is a breakthrough for those living with some kinds of infertility.

Learn what to expect if you accidentally sit in someone else's urine.

Here's the low-down on common symptoms—plus how to feel better.