I think you mean "masturbation" (mas - tur - BAY - shun) -- playing with your body until you reach orgasm. It is not harmful to your health, but it is something you do in private.
It is possible to hurt your skin if you rub too hard or too long. Then you should stop for a while, until the sore heals.
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Your grammar is horrible, but yes microwaves are harmful to your health.
Harmful
it is very harmful or harmful depending on your body
1. Masturbation2. Onanism
lip kiss not harmful to health
yaa its very harmful
No, it is not.
is rat rat pee urine harmful to ur health and how harmfuk is it
fluoride is harmful to your health because in can soften your bones and make them more able to be broken
No- but like anything, if consumed in excess it can be harmful to your health