Alcohol is at its highest concentration within 30 to 40 minutes after drinking. Alcohol enters the bloodstream 2 to 5 minutes after drinking and reaches its highest concentration in the bloodstream after 30 to 40 minutes. The rate of alcohol metabolism varies from person to person depending on gender, age, body shape and health condition. Generally, the blood alcohol concentration of a healthy adult can be lowered after 2 to 3 hours. It takes a day for alcohol to be eliminated from the body. Alcohol is first metabolized in the liver and then excreted by the kidneys. An overdose can lead to alcohol poisoning, which is characterized by mental abnormalities, slurred speech, flushing, rapid heart rate, dizziness, headache, unsteady gait, clumsy movements or even blurred vision, and lethargy. Death may be caused by asphyxiation due to blockage of the airway by vomit. Drink alcohol appropriately in normal times and do not overdo it. Avoid harming the body, especially the liver, and usually pay more attention to rest, eat more fresh vegetables and fruits, which is conducive to the health of the body.