A recent study suggests that people with antagonistic personality traits, such as narcissism and psychopathy, tend to report ...

Because same-sex sexual behavior does not result in offspring, evolutionary biologists have long wondered how the genes associated with this behavior have persisted in the human genome, and whether ...

"Sex addiction" is more of a media buzzword than a medical term. This behavior is not technically an addiction in the same way as drug or alcohol addiction. However, the compulsive sexual urges that ...

A new study has found that sexual role identities among men who have sex with men vary systematically by age and geographic region.

A recent study revealed a substantial increase in the number of Americans who either identify as bisexual or have a history of bisexual behavior. 9.6% of respondents reported having both male and ...

Forbes contributors publish independent expert analyses and insights. William A. Haseltine, Ph.D., covers genomics and regenerative medicine A recent study from Cell inches us closer to understanding ...

Out-of-control sexual behaviors have existed throughout history, yet their official recognition only came much later. Some of the old terms you might have heard include satyriasis, nymphomania, and ...

"Represents the end product of two conferences held in 1961 and 1962 at the University of California in Berkeley. The meetings were organized and sponsored by the Committee for Research in Problems of ...

A recent study has drawn controversy by implying genetic links between bisexuality in men and a propensity for risk-taking. This research on human sexual behavior, published in January in Science ...

Imagine yourself as a parent walking into your children’s bedroom to discover your 6- and 8-year-old children in a state of undress. When you enter the room, they quickly try to cover up and put their ...