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

What is the definition of masturbation? Learn about the physical and psychological benefits of masturbation.

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Is gender just a matter of choice?

There are all sorts of old wives' tales about how to influence the biological sex of your unborn baby. Eat red meat for a boy, chocolate for a girl. But while science is starting to give parents the chance to pick sex, there's no sure way to pick a baby's gender. Wait -- they're not the same thing?

How Asexuality Works

You can't neatly slice the human population into heterosexual and homosexual camps. For people who identify as asexual, sex is a moot point. But does that mean romantic relationships are completely out of the question?

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