In this section, we focus on men’s health. The prostate is an integral part of a man’s reproductive system. It produces semen fluid and plays a major role in propelling semen during sexual climax. The prostate is usually small and muscular, but it can enlarge and lead to problems. For example, an enlarged prostate can put pressure on the urethra and cause painful urination. Browse our section on the prostate to learn more about related conditions and prevention tips.