Ideas about male fertility have often been shaped by myths rather than science. Many believe that avoiding ejaculation improves health, but experts say this is not strongly supported. Trends promoting abstinence suggest benefits, yet some studies link long gaps to stress or low mood instead.

New research offers a different view. A large review found that long periods without ejaculation were tied to declines in sperm quality, including reduced movement, lower survival, and more damage. This suggests that keeping sperm stored too long may lead them to naturally weaken over time.

In contrast, more regular ejaculation may support better reproductive health. By releasing older sperm, the body can produce newer and healthier cells. Some researchers describe this process as keeping the system “refreshed,” helping maintain function rather than letting it decline.

There may also be broader health effects. One long-term study found that men who ejaculated more frequently had a lower risk of prostate cancer. While the exact reasons are still being studied, scientists believe factors like cell damage or aging sperm may play a role.

Overall, the evidence points toward balance. Instead of long periods of abstinence, moderate and regular patterns may be more beneficial. While individual needs differ, current findings suggest that consistent habits are more supportive of reproductive health than extremes.