1, the cardiovascular effects of smoking Smoking can damage the endothelial function of blood vessels, leading to the occurrence of atherosclerosis, leading to a variety of cardiovascular diseases. Studies suggest that the age of coronary heart disease in smokers is on average 10 years earlier than in nonsmokers, and the risk of coronary heart disease increases by 2 times, and the risk of death from coronary heart disease increases by 2 to 3 times. 2, the impact of smoking on the whistle system Smoking on the whistle immune function, lung structure and lung function can have adverse effects, causing a variety of whistle system diseases such as chronic obstructive pulmonary disease, increasing the risk of tuberculosis and other whistle infections. 3, smoking can lead to a variety of tumors Tobacco smoke contains 69 known carcinogens, these carcinogens act on the body for a long time, eventually leading to cell carcinogenesis and malignant tumors. Smoking can lead to lung cancer, malignant tumors of the oral cavity and nasopharynx, laryngeal cancer and so on. 4, smoking affects the reproductive system Tobacco smoke contains a variety of harmful substances that can affect human reproductive and developmental functions. Women smoking can reduce the chances of conception, leading to premature birth, obstructed labor, etc. Male smoking can lead to erectile dysfunction. 5, smoking can also lead to many other diseases such as smoking increases the risk of diabetes. It can also lead to osteoporosis, poor healing of surgical wounds and post-surgical whistling system complications. In addition, the harm of secondhand smoke is also huge. Therefore, quit smoking immediately, without delay, early quit smoking early benefit.