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.
Alcohol and fertility. The scientific evidence about how low to moderate drinking affects a manâs fertility isnât clear. People often have difficulty accurately reporting their alcohol consumption and itâs hard to do research that isolates alcohol as a lifestyle factor.Alcohol has been shown to affect male and female fertility, but the level of consumption associated with risk is unclear.Drinking alcohol reduces menâs fertility; it can cause impotence, reduce libido and affect sperm quality.The mechanisms by which alcohol could impair fertility are unclear, but in men it can cause impotence, reduce libido and affect sperm quality.eople often have difficulty accurately reporting their alcohol consumption and itâs hard to do research that isolates alcohol as a lifestyle factor. Alcohol has been shown to affect male and female fertility, but the level of consumption associated with risk is unclear.