Sperm count 50 percent lower in sons of fathers who smoke

(Lund University) Studies have repeatedly linked maternal smoking during pregnancy with reduced sperm counts in male offspring. Now a research team at Lund University in Sweden has discovered that, independently of nicotine exposure from the mother, men whose fathers smoked at the time of pregnancy had half as many sperm as those with non-smoking fathers.

from EurekAlert! - Social and Behavioral Science https://ift.tt/2DUCKji