//-->. There is one group of animals in which genuine sperm warfare might actually occur: Lepidoptera. IVF or In Vitro Fertilization would be the best resort. In fact, sperm are so sensitive to heat that the testicles hang outside of the body to preserve sperm from less than ideal body temperature. This can affect sperm development as well as hormone levels. Alcohol, even in moderate amounts, can affect your sexual health. But, having a higher number of cells makes it more likely that enough sperm cells would be able to pass through his mate’s immune system. 2. Sperm cells are some of the most sensitive cells in the body. However, the female’s immune system begins to respond and sends white blood cells to attack the foreign cells, which typically bacteria entering the vagina but also attacks the sperm cells. Toxins in tobacco smoke can cause sperm to swim slowly, says Dr. Niederberger. How is it done? What are scientists doing to combat drug-resistant bacteria and superbugs? This is because radiation at high doses kills the stem cells that produce sperm. The bigger the dose, the longer it takes sperm to recover. Moderate drinking as well may cause difficulties in conceiving. File it under strange but true. The result of this hostility is that the is sperm never is able to get to the egg. Knowing a few exceptions to the rule doesn’t change the fact that a woman’s age decreases her fertility levels. The stuff in marijuana that makes you feel high - tetrahydrocannabinol, or THC - can lay low your sperm. Yet, mortality is still high. Alcohol is a toxin that can kill sperm-generating cells in the testes. What Was the Name of The World’s First Newspaper. Heat puts the hurt on sperm and sperm production. Among the components of semen are prostaglandins produced by the male’s seminal vesicles.