No he cant suffer from any health problems but it perfectly normal to masturbate every or several times a day. Nothing's wrong with him, he just have a high sex drive and very common for most men
Hi Danim, Over masturbating is a problem, and from what you can read about has side efects, and if hes doing it more than once a day then, it copuld be affecting his nerves, along with other problems, memorey, skin, hair, weight, eye floaters, its all there on sites about over masturbating, the thing is to some guys they just think of it as normal.
Good Luck