Active smoking by men can damage their sperm. Some health problems may be due to a non-smoking mother breathing in second-hand smoke, or sperm damage from the father’s tobacco use, or both
Kusuta kowilikiza kwa amuna kumatha kuwononga ukala. Mavuto ena aumoyo akhoza kubwera chifukwa cha amayi osasuta pumuma utsi wafodya kapan ukala wowongongeka kuchokekera kwa bambo wosuta fodya kapena zonse