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.
The same things that harm your fertility can do a number on your husband's reproductive health too. Cigarettes, alcohol, a poor diet -- any of these can contribute to lower sperm production or motility (ability to swim). Studies have also traced chromosomal damage in sperm to cigarette smoke and heavy alcohol intake.