Research

61% of US adults report consuming porn, and 27 US states now require age checks. Plus traffic, industry money and addiction data.

65% of heterosexual women usually orgasm during sex, vs 95% of men. Find out how the gap varies by orientation and age, and why.

Doggy style is the favorite position of 29.4% of Americans, but missionary is used most. Compare picks by gender and the best for orgasm.

Only 19% of Americans say watching porn without a partner is always cheating; 28% say sometimes. Here’s how views split by gender and age.

Most harms linked to porn track problematic use, found in 3.2% of people in 42 countries. Here’s what studies say on mood, ED and teens.

Well-being rises with sex up to about once a week, then levels off, in a study of 25,510 Americans. Plus the research on daily sex.

About 60% of US men and 36.5% of women masturbated in the past month. Here’s how frequency varies by age, relationship status and country.

A typical ejaculate holds about 151 mg of protein and 0.65 calories. Find out what semen is made of and whether it’s healthy to swallow.

Female porn performers typically earn $800 to $1,000 per studio scene, and men earn less. Get the yearly pay, costs and creator income.

Sex burns about 85 calories per session on average, in a study of 21 young couples. Find out how masturbation and orgasm compare.