Schistosomiasis (bilharziasis) is a major human disease caused by three species of the genus Schistosoma, known collectively as blood flukes. Africa and western Asia (e.g., Iran, Iraq) are endemic centres for S. haematobium; S. mansoni also is found in these areas, as well as inâ¦
How Alcohol Damages Sperm. Alcohol can reduce the quantity of sperm a man produces (his sperm count) and the quality of that sperm. One way in which alcohol does this is by preventing the body from absorbing zinc in the normal way. Zinc is found in high quantities in sperm.
Rating Newest Oldest. Best Answer: Marijuana does not effect sperm count. It can have an affect on the behavior but there is no real solid evidence that demonstrates a lowered chance of impregnation.he doctors told my husband that all the Marijuana he smoked affected his sperm count -- well he's been smoking for 6 years and I can speak from experience that it doesn't affect your sperm count at all.