No, it is not harmful, in fact there is research that indicates that semen can help prevent Breast cancer.
Scientist are shocked that breast cancer could be reduced 50% if all women had regular, three times a week, semen exposure; like Semen therapy
Characteristics of reproductive life and risk of breast cancer in a case-control study of young nulliparous women
http://www.sciencedirect.com/science/article/pii/0895435689901212
Barrier contraceptive practice and male infertility as related factors to breast cancer in married women
http://www.sciencedirect.com/science/article/pii/0306987778900518
Barrier contraceptive practice and male infertility as related factors to breast cancer in married women. Preliminary results.
http://www.ncbi.nlm.nih.gov/pubmed/566883
And swallowing healthy semen three times a week has other great benefits too; longer life span, slower ageing, clear skin, burns excess fat, prevents Diabetes, elevates mood, natural high, prevents depression and prevents the donor getting prostate cancer.
- SemenTherapy.com
If you swallow your own semen, then no, you can't get anything new. It's quite safe. It's fairly safe, too, to swallow someone else's semen.
No. When you swallow the semen, it goes to stomach and digested. Sputum comes from your lungs.
After all there is no harm in swallowing your partners semen.
no good mon
yes
The same as anything else you digest
if you want
depends on what you mean by frequently and how muchif all your semen is from a single lover then he should not be able to produce enough to be unhealthy. it has very low calories for your daily diet. so if you enjoy it. go for it.i heard it is actually good because it has protein so yum yum lol slurp up
you can swallow the semen. yes, some people do it because it is a "turn on".
Clearly, yes.
no
No it won't do anything, but why would you?