Secondhand smoke can bring great damage to the human respiratory system, circulatory system, genitourinary system and so on.
1. Circulatory system: second-hand smoke contains a large amount of nicotine, which can stimulate the endothelial cells of blood vessels, causing spasm of the endothelial cells of blood vessels. With the prolongation of time, it can lead to vascular sclerosis, hypertension and arteriosclerosis. Smoke tar can directly damage the endothelial cells of blood vessels, leading to atherosclerosis of the endothelial cells of blood vessels.
2. Respiratory system: second-hand smoke contains a large number of carcinogenic substances, such as carbon monoxide, nicotine, smoke tar, which can damage the human alveolar epithelial cells. This leads to an increase in the probability of respiratory diseases, such as bronchitis and malignant tumors.
3. Reproductive system: second-hand smoke in the smoke tar, nicotine can cause damage to the human male sperm, serious cases can lead to sperm deformities and weak sperm, sperm less will lead to male infertility.
If there is any discomfort, you can let the patient go to the hospital to consult the doctor, pay attention to avoid exposure to second-hand smoke.