Sudden cessation of smoking at the age of 60 may cause uncomfortable symptoms, but generally will not bring danger to the body. Long-term smokers will become dependent on tobacco, and sudden cessation of smoking will produce different degrees of withdrawal symptoms, such as mental trance, depressed mood, irritability, etc., which is a normal reaction and will not cause substantial damage to the body. Elderly people may experience gastrointestinal discomfort after quitting smoking because of weaker gastrointestinal function. Tobacco is harmful and chemically very complex, there are more than 200 kinds of chemicals in tobacco directly related to the occurrence of cancer, and tobacco itself will also directly lead to bronchial inflammation, inducing heart disease. Therefore, there is only a difference between quitting early and late. It is better to quit smoking early than late, and it is better to quit once and for all. Repeatedly quitting smoking may lead to a larger amount of smoking, which will affect your health.