I think everyone should operate on the assumption that none of these studies will be commercially viable, and get on Propecia.
If you're a regular reader of science news, cancer has been on the cusp of being "cured" every year since 1990, and yet here we are.
That's a good thing to keep in mind. How much of a difference is seen in these studies?
I'd like to enjoy the occasional cigarette (less than monthly), and being successful in life often means putting yourself into stressful situations.
I never put much weight in the "masturbation and/or pornography contributes to hair-loss" hypothesis, but I came across a blurb on wikipedia that made me think otherwise.
Here is a paragraph that grabbed me:
Men who watch a sexually explicit movie have an average increase of 35% in...