Smoking increases the chance of impotence in males and impairs sperm motility, increasing chances of infertility. It changes the shape of the sperm, which often increases the incidence of miscarriage and birth defects. The list of the health hazards of smoking is indeed a long one. Children of smokers are more likely to have bronchitis and pneumonia, especially during their first year of life, and they are more likely to develop asthma, cough and ear infections. Maternal smoking during pregnancy increases the risk of asthma in children.
Smoking is the number one cause of deaths from fire.
Nonsmokers who live with smokers have a 10 to 30 percent greater risk of dying from heart disease than do other nonsmokers and more young people are killed by parental second-hand smoke than by all other unintentional injuries combined. Smokeless tobacco is not a safe substitute for smoking cigarettes. It can cause cancer and a number of non-cancerous oral conditions and can lead to nicotine addiction and dependence. Many teens have gotten cancer of the mouth, cheek, gums and throat from smokeless tobacco. Cigarette smoking increases susceptibility to colds and viruses.