Sperm May Feel the Weight of Extra Pounds, Harvard School of Public Health Study

Heavy men are more likely than their normal-weight peers to have low sperm counts or no sperm production at all, suggests a new report. The review of past studies can't prove that overweight or obese men will have more trouble fathering a child. But researchers said that how many sperm men make is one of the key ways doctors measure their fertility.

Back to news