Benedict will be pissed: masturbation keeps men healthier - and certainly at lower risk for prostate cancer. But it's been a long time since the Catholic church's claims about "natural law" were actually reflected in what we empirically know about nature. About 700 years, actually.
This article available online at:
http://www.theatlantic.com/daily-dish/archive/2008/04/natural-law-update/217519/
