In the late ‘60s and early ‘70s, when “sleeping with someone was almost like shaking hands,” womanizers had a certain allure, according to Norris Church Mailer in her charming new memoir A Ticket to ...

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. LAST FEB. 11, A FORMER ARKANSAS STATE employee named Paula Jones called ...

NEW YORK (CBS 2)-- A new study suggests there may be a biological reason for infidelity. A group of New York researchers say it's all in the genes -- and not your blue ones. When it comes to monogamy, ...

Promiscuity mixes up the gene pool and dilutes genetic differences between populations, slowing down the evolution of new species, says new research by an international team led by the University of ...

Females are coy and males are ardent. This was Darwin’s somewhat Victorian portrayal of the sexes in his book The Descent of Man and Selection in Relation to Sex. The myth that males are naturally ...

Sex at Dawn is a popular book about sex and human nature, written by PT blogger Chris Ryan and Cacilda Jethá. Some other PT bloggers seem to be huge fans of the book (for instance, see this recent ...

In 2012, the FDA approved the use of the drug emtricitabine/tenofovir disoproxil fumarate ('Truvada') as an HIV Pre-exposure Prophylaxis (PrEP) to reduce the risk of HIV infection in the event of ...

Today’s shoppers are operating in a completely unrestrained informational environment, full of seemingly endless places to get input during the purchase journey. They aren’t bound by traditional ...