sexual activity

Study: Women Who Sleep More Have More SexWomen who sleep more tend to have more sex, a new study finds.
Teens' Indoor Tanning Tied To Other Risky BehaviorStudy suggests teens who tan more likely to smoke, binge drink and engage in unsafe sex.
Man Enticing Child Into Sexual Activity Sentenced To 10 Years In PrisonFederal prosecutors say a man busted in an undercover child sex sting has been sentenced to 10 years in prison.
Study: Men Burn More Calories, Energy During Sex Than WomenMen expend significantly more energy and burn more calories during sexual intercourse than their female partners.
Study: Frequency Of Young Adolescent Sex 'Greatly Exaggerated'Researchers at the Guttmacher Institute have found that younger teens are engaging in sex far less frequently than the general public may think.