The Sexual Health Channel explores the functions -- and dysfunctions -- of the reproductive system. Learn about maintaining a healthy sex life and avoiding and treating sexual problems.
  • Male Reproductive System
  • Female Reproductive System
  • Contraception
  • Sexual Dysfunction
  • Sexuality

"Misbehaving periods" doesn't appear on any list of medication side effects, but as many women can attest, menstrual irregularities aren't uncommon when you're taking antibiotics. The culprit may not be the drugs.

You Might Also Like
How Male Puberty Works

Ah, puberty -- perhaps the most awkward time in a boy's life, when hair sprouts in odd places, voices crack and acne makes its unwelcome appearance. What's going on inside the body of a pubescent boy?

The Science of Love

You might chalk it up to serendipity or fate, but turns out, love is also a science, and the ways people act when falling in and out of love are often a direct result of chemicals buzzing around in their bodies. From breakups to make-ups, how do researchers make sense of it all?

  • Most Popular