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Health | Sexual Health | Sexuality

Sexuality deals with humans' perceptions and behaviors as sexual beings. Learn about both the biological and emotional aspects of sexuality in this section.

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Libido

What is the definition of libido? Learn about Freud's studies on libido as well as alternate theories.


What's the purpose of sex?

 What's the purpose of sex?

What is the purpose of sex? Would things be easier if we had asexual reproduction? Learn about mating and the purpose of sex at HowStuffWorks. See more »

Is gender just a matter of choice?

 Is gender just a matter of choice?

Is gender a choice? Take a look at the difference between sex and gender and what influences each. See if gender is a choice at Discovery Health. See more »

 Masters and Johnson

What are the definitions of Masters and Johnson terms? Learn about research and studies by sex therapists Masters and Johnson. See more »

 Erotica

What are the definitions of erotica terms? Learn about how erotica can stimulate or enhance sexual arousal and performance. See more »

 When is sex hot and when is it not?

When is sex hot and when is it not? Learn about sexual health and when sex is and isn't hot at HowStuffWorks. See more »

 Aphrodisiacs

What is the definition of an aphrodisiac? Learn how aphrodisiacs can initiate or intensify sexual arousal. See more »

 Cunnilingus

What is the definition of cunnilingus? Learn about how cunnilingus, a form of oral sex, is performed. See more »

 Fellatio

What is the definition of fellatio? Learn how fellatio, a form of oral sex, is performed. See more »

 Fetishism

What is the definition of fetishism? Learn about how fetishism affects a person's sexual behavior. See more »

 Foreplay

What are the definitions of foreplay terms? Learn about different types of foreplay activities that precede sexual intercourse. See more »