That plays into the way "media uses sexuality, creating it as mysterious, taboo and exciting. Sexual imagery in the media is almost exclusively young, fit people," so "athletes are sexy by definition."

When I read the lead paragraph of this week's news story on the success of an experimental, abstinence-only sex ed curriculum, my first thought was: "Yes, but..."

Sex education classes that focus on encouraging children to remain abstinent can convince a significant proportion to delay sexual activity, researche...

Thanks in large part to a decade of nearly nonexistent enforcement, tens of millions of men, women and children now routinely drink, bathe in and cook with tap water laced with illegal levels of contaminants.

American squeamishness about talking about sex has helped keep common sexually transmitted infections far too common, especially among vulnerable teen...

Multiple news agencies reported that a trial vaccine reduced the risk of HIV infection by 30 percent. While I am encouraged by the results, we have yet to find a silver bullet.