According to the American Urological Association (AUA), about 17% of men who smoke experience erectile dysfunction. In particular, men who smoked more than 20 cigarettes a day were about 60% more likely to experience this problem than non-smokers. Ths.BS. Nghiem Trung Hung, Department of Andrology, 108 Military Central Hospital, said that the toxins in cigarette smoke can negatively affect sperm quality, reproductive function as well as men's physiological health in general. The effect of tobacco on blood vessels and hormones According to andrologists, the ability to get an erection depends largely on blood flow to the genital organs. Smoking damages the endothelium of blood vessels, causing... [Read more]