How bad is masturbation for the body?

We guys all masturbate. Some come every day. But if he knew how much harm it would do to his body.So he wouldn't do that anymore.Masturbation causes eye problems84717a67081f2cf200c156f117f5c0e2.jpg ![images.jpg] {source} https://encrypted-tbn0.gstatic.com/images?q=tbn%3AANd9GcSaog8RqD07eAo759isZPhkqxWHM3s6Jhep98KUCvoHQq90RpMe

So we are far from doing masterbation.
thanks for reading
follow me