After the first oral contraceptive was approved in 1960, The Pill quickly became the world’s most popular birth control method. More than 100 million women worldwide have used it, and among American women age 18…

I have a charming primary care physician who’s up on the latest research, and quite thorough—well, almost. She never asks about my sexual functioning. My doctor is typical. For years, sexologists have fretted about doctors’…

Vibrators are by far the most popular sex toy. Sexual enhancement product catalogs offer dozens of models. According to one recent survey, one-third of adult American women own at least one vibrator. In other surveys,…

This is the weird, improbable story of vaginal orgasms. More than a century ago, a famous physician postulated their existence. Sixty years later, the first scientific sex researchers declared them nonsense. Finally, over the past…

Chronic sleep deprivation is common and hurts libido and sexual function An estimated 30 percent of Americans have trouble falling or staying asleep. Insomnia reduces libido, impairs sexual energy and function, and raises risk of…

Sex rarely causes death, but four erotic activities may prove lethal In 1979 at age 71, former New York Governor Nelson Rockefeller, Vice President under Gerald Ford, had a heart attack in the arms of…

Most men over 40 don’t have erectile dysfunction, but their erections change. Between age 40 and 50, most men notice that their erections aren’t what they used to be. They no longer rise spontaneously from…

It’s known variously as urinary tract infection, UTI, bladder infection, and cystitis (“cyst” is Greek for bladder). It occurs mostly in women, and causes urinary urgency–I have to go NOW–burning pain on urination, and possibly…

In previous articles, I’ve tried to reassure anxious men that penis size doesn’t matter to the substantial majority of women. And every time, comments have poured in from gals calling me a fool, saying that…

Popular culture embraces “sex addiction,” but most psychologists reject it. When we say they’re “addicted” to bacon, Beyoncé’s music or The Simpsons, it’s largely in jest. We’re not actually addicted. We just really like whatever….