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.
Drinking within these limits is unlikely to affect the quality of your sperm (NCCWCH 2013:69) , so try to make this your maximum. Remember that one unit is the equivalent of half a pint of lager, a small glass of wine or a 25ml measure of spirits (NHS 2011) .