The author of this op-ed is a writer who covers sex and culture named Magdalene Taylor. Apparently you have better sleep, there is evidence that it lowers blood pressure. But I think about the things that are correlates of having sex that are maybe even more important. The fact that you're having sex with another person suggests that you have some kind of relationship.
Are we too busy watching Friends? Is porn driving us apart? And why did New Yorkers stop vacationing in the Catskills?
Take the Seven Deadly Sins survey: freakonomics.com/nsq-sins/