The dangers of alcohol abuse include damage to the liver, affecting the nervous system, causing poisoning, and increasing the risk of cardiovascular disease. Alcohol is mainly metabolized and decomposed by the liver, and long-term heavy drinking can cause hepatitis, cirrhosis and other diseases, causing damage to the liver. In addition, long-term alcohol consumption will also have a certain impact on the function of other body systems, such as affecting the nervous system, with symptoms such as reduced memory and indifferent reaction. Short-term alcohol abuse may also cause acute alcohol poisoning, which makes the patient suffer from nausea, vomiting, irritability, panic and other symptoms. Patients with moderate or severe poisoning will have lethargy or coma, pale face, wet and cold skin, slightly purple lips, rapid heartbeat, weak pulse and abnormal blood pressure. In addition, long-term alcohol consumption can lead to increased likelihood of cardiovascular system diseases such as coronary heart disease, hypertension, arrhythmia and cardiomyopathy. Moreover, people who are already suffering from severe hypertension are more likely to have a stroke if they drink too much alcohol. There are other dangers of alcohol abuse, and it is recommended to stay away from alcohol to guard your health.