Nigeria: African walnuts improve semen quality in men who smoke — Study

Several studies from different parts of the world have identified that cigarette smoking has an adverse effect on semen quality, especially in those who are heavy smokers or those who have been smoking for several years.

Interestingly, it has been observed that the concentration of nicotine in seminal fluid is high in men passively exposed to cigarette smoke. Nicotine does not only predispose damage to the process of sperm formation but also causes an increase in sperm DNA…