Frequent kissing boosts most women’s sexual and relationship satisfaction  Kissing is a mystery. Science has no idea why people do it. Theories abound, but the puzzle remains unsolved. Only two other species kiss, chimpanzees and…

The popularity of unconventional sex raises questions about what’s “deviant.” Here’s a headline that’s impossible to resist: “Huge New Survey Documents How and How Often Americans Have Sex.” Who wouldn’t read that? There’s a bit…