Sexuality

Kissing overtakes smoking as leading risk factor for oral cancer, says doctor

Women give off a subtle sign they're ovulating

Confirmed: Frequent ejaculation reduces cancer risk

Newfound marsupial males often drop dead after sex

When more sex can make you less happy

Grilled cheese lovers get more lovin'

How much do you know about the birds and the bees?

A journalist turns condom-maker to change the world

Unattractive men look better to women on the pill

What aggressive male chimps can reveal about people

Science says: Men with big bellies are better lovers

Teen birth rate hits new low

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