No, masturbation doesn't negatively effect you in any physical way at all. It is like having sex, in the sense that you are physiologically not affecting your health negatively.
If you are wondering about penis size, the penis doesn't get bigger nor smaller. There is no negative health effect from masturbation.
The adverse effects are psychological and come about when a person becomes addicted to a certain behavior or routine, equally some people cannot reach orgasm without using their hands, this is a problem, as it poses an obstacle to sex. The other adverse effects are rarer, but occur: infection due to bad hygiene. Wash your hands! And use some lubricant, reduces friction and thus reduces the frequency of rashes (though these are also rare).
Masturbation is normal, and it doesn't change the body.
a large effect!
Depending on the context, effect is already a verb. For example, "to effect something" or to "make something have effect" is an action and therefore a verb.
lasing effect
rotator
The change in frequency is caused by the Doppler Effect
Sperm is being produced in your testes. When you masturbate or jackoff as you put it, it is in the stuff that comes out your penis when you cum/ejaculate.
depends how you go about it
Carmex works wonders
No not at all I started when I was 10 or 11
jackoff
nope, trust me we dont
only if you flush the toilet
jackoff
it depends how little they are and how old you are
No, not unless you are rubbing one out for your child.
By sToping at the climax and using your less dominant hand
jackoff