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
No it's not harmful in healthy males.
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 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
the body has a high content of salt,therefore the sweat and sperm and our tears are salty
The caloric content of sperm is approximately 5 calories per ejaculate.