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.
Male fertility can be negatively affected by regular alcohol use and abuse. Alcohol has been linked to abnormal liver function and a rise in estrogen levels in men, which can potentially interfere with normal sperm development and hormone levels.ithout ovulation, a woman cannot become pregnant. Alcohol use and abuse can also lead to abnormalities in the endometrium, the inner lining of the uterus, where a fertilized egg is implanted and then grows.