Not unless he has a STD.
There's no real evidence that "sperm wastage" is harmful to health in any significant way.
It's not harmful at all.
Well SPERM?
No, sperm is not harmful to a fetus during sex. The cervix acts as a barrier to protect the uterus and fetus from any external substances, including sperm. In fact, it is safe for pregnant women to engage in sexual activity unless advised otherwise by a healthcare provider.
No
No it's not harmful in healthy males.
No it cannot, unless you are allergic to your partner's sperm. But, even then, it will not be harmful, just causing an allergic response of hives.
Yes it kills it
No it is not.
definitely if you are a woman
You can not ejaculate until your body is ready for it, puberty, and ejaculation and masturbation is not harmful in any way. Puberty has to have begun before you can ejaculate sperm. Puberty will begin when the body is ready which can be anytime from 7 to 18 in extreme cases, but on average around 11 to 13. There are no harmful effects if it is done (masturbation) in moderation.
the body has a high content of salt,therefore the sweat and sperm and our tears are salty