WHAT'S INSIDE: SEXUAL HEALTH

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
FEATURED: SEXUAL HEALTH
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During puberty, breasts don't always receive identical amounts of the hormone that makes them grow. Why does this happen, and how common is perfect symmetry anyway?

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When it comes to sex, what is normal, exactly? For most issues, "normal" spans a pretty broad range. But life with these unusual sexual conditions definitely isn't typical.

Why are breasts different sizes?

During puberty, breasts don't always receive identical amounts of the hormone that makes them grow. Why does this happen, and how common is perfect symmetry anyway?

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