Several studies have manifested that frequent erections and masturbation help prevent erectile dysfunction in men.
The studies goal was to find out if men can reduce their risk for ED by having sex (or masturbating) on a regular basis?
European scientists after the study held in 2008 claimed that infrequent sex can lead to erectile dysfunction and that regular sexual activity can prevent potency problems. Juha Koskimaki, MD, PhD, an urologist at Tampere University Hospital in Tampere, Finland, one of the authors of the study said that masturbation can also help in keeping normal potency.
The study involved 989 men in their 50s, 60s, and 70s and was conducted during five years. It demonstrated that males who reported having sexual activity once a week or less than once a week were twice as likely to develop ED than those who reported having sex more than once a week. The fact is the less frequent the sex, the greater the chance for problems with potency.
Sexual activity in any form (sexual intercourse or masturbation) protects nerve fibers and blood vessels responsible for erectile function thus helping to prolong sexual life in men.
According to other studies frequent erections (with sex or without it) help to preserve male sexual function. If a male has normally several erections each night he will have more chances not to experience ED. So if you want to be sexually active even in your 70, be more sexually active now.