Hotly debated human papilloma virus (HPV) vaccinations are being given to girls as young as age 11. Some say it is essential to protect them from contracting HPV and reducing their risk of developing ...

The increase in complexity from simple replicating molecules to complex animal societies has involved approximately eight major evolutionary transitions 6,7. Almost all of these transitions have ...

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, ...

Book shines light on the reasons for some teenage girls' promiscuity. Sept. 22, 2011 — -- Kerry Cohen is a psychotherapist, and the author of the memoir "Loose Girl: A Memoir of Promiscuity." In ...

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 ...

Via Andrew Sullivan, I see that the gay journalist Marc Ambinder has come up with a provocative neologism in his latest Week column. Excerpt: Where will we end up? Will promiscuity define young gays ...

"Slutty" behavior is good for the species. That's the conclusion of a new wave of research on the evolutionary drives behind sexuality and parenting. Women everywhere have been selflessly engaging in ...

That's a pretty horrible picture, innit? It's a 40-year-old German monkeypox patient whose nose began to rot off after he caught the disease. Turns out that he was HIV-positive and didn't know, plus ...