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This chapter is Sex Ed and Relationships 101. Get key facts and statistics on the biology of sex, sex and happiness, America’s “best” marriage age, and more. 

Birds & Bees

How much do you know about women’s reproductive system? This article provides descriptions and drawings of the female reproductive system.

Men’s reproductive system may be more complicated than you think. This article explains and illustrates the male reproductive system.

Is masturbation normal? Is it harmful? This article provides answers to these and other questions about masturbation.

It’s no secret that men and women react differently to sexual stimulation and sex. But do you know why? This article explains the male and female human sexual response.

This video explores human pheromones, sex scents that may sway sexual attraction.

Heterosexuality, homosexuality, and bisexuality are three main types of sexual orientation. This article is an overview of sexual orientation.

Sex & Relationship Facts

Get the results of a marriage age poll that asked about the best age for men and women to say “I do.”

What would make you happier: more money or more sex? Read what research says. Hint: Think bedroom, not bank.

This article isn’t about X-rated chats. Instead, it’s about the way adults talk about sex.

Who’s happier with their sex life: men or women? This article has the latest answers.

This article explores research on marriage and health. The bottom line: Health may be another reason to improve a bad marriage.

Love at
First Sight

Give your new pet
the best care.

webMD Video

Show or hide information about video: Better Sex Exercises   Better Sex Exercises

Sure, it can tone and make your body more attractive, but did you know exercise can also improve your sex life?

Watch Video: Better Sex Exercises (opens in a new window)

Show or hide information about video: Dr. Ruth's Sex Advice for Single Women   Dr. Ruth's Sex Advice for Single Women

Show or hide information about video: When to See a Sex Therapist   When to See a Sex Therapist

Show or hide information about video: Does Porn Hurt a Relationship?   Does Porn Hurt a Relationship?

Show or hide information about video: Easier Birth Control   Easier Birth Control