Contents of Smoking Harmful to Health Briefly describe the contents of smoking harmful to health.

1, male: Nicotine in tobacco can inhibit the secretion of sex hormones and kill sperm. At the same time, tobacco nicotine will hinder the combination of sperm and eggs, greatly reducing the chances of women getting pregnant. Studies have found that smoking can also lead to impotence.

2, female: tobacco is more likely to affect physiology, there will be menstrual disorders, abortion, early menopause and other symptoms.

3. Because the smoke inhaled in the body has a malignant stimulating effect on respiratory tract, digestive tract and other organs, some people think that it is an inducing factor for gastric and duodenal ulcers, respiratory tract infections and even cancers such as mouth, lips, tongue, esophagus and respiratory tract.