Their findings come from the largest study ever conducted on the subject. The difference might be slight, about two to three years, but the lower the semen quality, the lower the male’s life expectancy,

The ability of sperm to properly swim through the female reproductive tract to reach and fertilize an egg is called motility. “In absolute terms, men with a total motile count of more than 120 million (per milliliter of semen) lived 2.

Men with the best quality semen could expect to live two to three years longer, on average, than men with the lowest semen quality, researchers said.