Some young men were told by their mothers not to wear tight briefs, as this could make them sterile and infertile. Explain how wearing tight briefs could do this. What alternative methods could you implement to avoid sterility and infertility, and why?
Sperm need to be in an environment a few degrees cooler than body temperature to develop normally. That is why the testes are external to the body.
What would you implement to deal with this?