there is apparently a correlation: men who pleasured themselves more, had less chance of prostate cancer. correlation does not mean causation, but who know...
Try mypornmotion.com, it's in french but it is exactly like youporn, and I find there is better material.
the most precious thing a person has is health and time. lost time cannot be replaced. lost money can be replaced. the last thing you want to do is kill time. you want to look back and say as forrest gump said: i didn't lead no humdrum life..