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.
Sperm: 10 Interesting Facts Everyone Should Know. 1  1. Sperm Responds to the Food a Man Eats. 2  2. Men Need to Regularly Climax for Healthy Sperm. 3  3. Sperm are Susceptible to Damage from Wireless Technology. 4  4. Progesterone Gives Sperm Extra Energy to Penetrate the Egg. 5  5. Sperm Have a Superhero-Like Power. 6  6. Sperm Have âBody Guardsâ.