When people with epilepsy are satisfied with their sexual relationships, they are more likely to better manage their condition, a new study shows.

New research clarifies why women get severe COVID-19 about half as often as men. It comes down to specific immune cells, the study finds.

A growing online movement believes that giving up masturbation can make us happier and boost our testosterone levels.

New research digs into the reasons young people are having less casual sex than in the past. Less drinking and more gaming are two factors.

'Sex addiction' isn't a diagnosable disorder, but the turmoil religious men feel over the disconnect between their sexual values and behavior can lead to real psychological distress.

Robots and humans can be friends – but not in a way that would win Aristotle's approval.

A new trifunctional contraceptive gel enhanced male libido and prevented pregnancy in a study with rats.

While there are small differences between male and female brains, most of us have a mix of both.