mastrubation
Just Stop.
No it does not.
Stress relief
Masturbation doesn't do any damage.
There is no best way. It is whatever you find suitable.
Very normal - and not at all unhealthy. If a teenage girl doesn't touch herself, that's perfectly normal and healthy too. For many years it was believed that mastrubation was in some way harmful, but medicine and science now understands that it is entirely harmless.
No. It will not cause excessive hair, blindness, hell, or anything else. It is natural and normal. Most people do it. It doesn't make sense that it would be harmful, because the act of sex in itself is not, and masturbation is just mimicking it. The only way masturbation could be a problem is if it interferes with everyday life.
It is unnatural and thus Haram in Islam. Islam lays great emphasis on marriage.
Lysosomes are organelles found within cells and their function is to digest cellular waste so it can be excreted from the cell.
No, if you eject the sperms as soon as you start masturbating that is not a problem. That condition is referred to as early masturbation.
A girl would softly rub her clit or around it, or put her fingers inside herself focusing on her g-spot.