An estimated one-third of infertility cases are the result of male reproductive issues related to testicular function, sperm count and hormone balance, according to the National Institutes of Health. Experts report that many male fertility problems can be attributed to certain counterproductive activities and correctable lifestyle choices.

Men who want to avoid fertility issues, especially as they’re actively trying to conceive, should take heed of the five tips we’ve compiled.

1. Quit smoking

Cigarettes and other tobacco products are loaded with harmful toxins that contribute to a wide range of health problems, including those related to fertility. In a study published in Postgraduate Medical Journal, researchers found that men who smoked had a lower volume of semen, lower sperm count and a lower percentage of motile sperm compared with nonsmoking men. Additionally, men who smoked at least 20 cigarettes per day experienced a 19