Is it time for you and your partner to exchange your body counts? A study showed how a person's number of sexual partners and ...

A third of Americans have lied to a significant other about their number of sexual partners, according to new research. A study of 2,000 Americans who’ve had sex found that 32 per cent have fibbed ...

With What’s Your Number? opening in theaters this week, longstanding questions about how many sex partners people have, how many is too many, and differences between the sexes are back on the table.

(CNN) --When it comes to sexual partners, what's in a number? For one recent survey study, researchers at the University of Glasgow analyzed the responses of over 15,000 men and women and concluded ...

Thanks to the Sexual Revolution, what behavior was once deemed "promiscuous," is just the way it is. Both men and women are having a good time, getting it on, and the judgments of the past are getting ...

A new survey revealing the "ideal number of sexual partners" has made my eyes bleed. IllicitEncounters, a UK-based extra-marital dating site, surveyed 1,000 users about the right number of sexual ...

Intense interest has been directed at understanding the role of the dopamine transporter gene in the neurotransmission process because of its involvement in several behaviors. A number of studies have ...

A new national study shows that people whose mothers had more partners -- married or cohabiting -- often follow the same path. Results suggest that mothers may pass on personality traits and ...