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There's a worrisome uptick in the incidence of certain head and neck cancers among middle-aged and even younger Americans, and some experts link ...

Bristol Palin will not be bringing her abstinence message to Washington University's Sexual Responsibility Week. Washington University issued a statement to FOX411 Friday, saying "The student group that invited Bristol Palin to come to Washington University in St. Louis has mutually agreed with her not to proceed with a contract regarding Palin’s participation in a panel discussion at Washington University on Feb. 7."

A California elementary school teacher has been suspended indefinitely after school officials said a pair of second-graders performed sex acts in class with the teacher present, San Francisco media reported Friday.

Whether it's the Beatles or Beethoven, people like music for the same reason they like eating or having sex: It makes the brain release a chemical that gives pleasure, a new study says.

Men who sniffed such tears produced less testosterone and found female faces less arousing, according to new research.A woman's tears can be a total turnoff for a guy — if he smells them, that is.

A new study of men's attitudes toward sex in their golden years confirms what some have long always suspected: It ain't over until it's over. ...

A pastor who said Facebook was a "portal to infidelity" and told married church leaders to delete their accounts or resign once testified that he had a three-way sexual relationship with his wife and a male church assistant....

After decades of fierce opposition to the use of all contraception, the pontiff will end the Catholic Church's absolute ban on the use of condoms.

Celebrity sex scandals have helped fuel mainstream demand for treatment of sex addiction, though it has yet to be officially acknowledged as a disorder and is not under government regulation.When she hung out her shingle as a sex addiction therapist in 1997, Alexandra Katehakis had only a handful of colleagues.

Teens who text 120 times a day or more — and there seems to be a lot of them — are more likely to have had sex or used alcohol and drugs than kids who don't send as many messages, according to provocative new research.