From propagating the species to consumer marketing, sexuality and attitudes toward it are constantly evolving. Check out an assortment of videos covering everything from conception to cigarette cards.
WHAT'S INSIDE: SEXUAL HEALTH
- Male Reproductive System
- Female Reproductive System
- Sexual Dysfunction
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.
Erectile dysfunction, commonly known as impotence, affects more than 140 million men worldwide. It is estimated that only 10 percent of men affected by erectile dysfunction sought treatment. Learn how erectile dysfunction works.