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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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Gay

What is the definition of gay? Learn how the term gay has come to indicate homosexuality.


What is the definition of sexual intercourse? Learn about the physical and psychological effects of sexual intercourse and lovemaking. See more »

What is the definitions of sexual lubrication? Learn how the female reproductive system provides sexual lubrication when a woman is aroused. See more »

What is the definition of taboo? Learn about practices that might be considered taboo in certain religions and societies. See more »

What are the definitions of tantra terms? Learn about how tantra seeks to prolong and enhance the sexual connection between lovers. See more »

What happens in the brain during an orgasm?

Sex for many people is just a precursor to this intensely pleasurable event. What exactly is going on inside when you lose control? See more »

Can scientists make moths gay?

Scientists tricked male brown-tailed moths into trying to mate with one another instead of the females. But are sexuality and gender actually fluid concepts in the animal world? Explore animal sexuality, from intersexual clams to homosexual giraffes. See more »

STD Symptom Checklist

STD's can be avoided and treated if you know what to look for. Become familiar with the signs and symptoms of sexually transmitted diseases. See more »

What are the definitions of aging and sex terms? Learn how aging affects sexual health and function. See more »

What are the definitions of Alfred Kinsey sexuality terms? Learn about Alfred Kinsey's studies of human sexuality. See more »

What is the definition of anal sex? Learn about the pleasures, discomforts and risks of having anal sex. See more »