According to Dr. Nguyen Huy Hoang, in charge of the Vietnam - Russia High Pressure Oxygen Center, Vietnam - Russia Tropical Center, Ministry of National Defense , there is no exact answer to the question "If I drink a certain amount of alcohol, how long will it take for my alcohol concentration to be 0?"
Depending on each person's body, the exact time it takes to completely eliminate alcohol from the body will vary.
We can estimate the time, but this is an average, an estimate. Each individual will have a different time and many factors affect the speed at which the body eliminates alcohol.
Based on the widespread reality of alcohol consumption in most countries around the world, the World Health Organization (WHO) has introduced the concept of alcohol unit.
One unit of alcohol is equivalent to 10g of pure ethanol, equal to 200ml of beer; 75ml of wine (1 glass); 25ml of spirits (1 cup). Depending on the amount of alcohol consumed, it will be converted to approximately how many units of alcohol.
According to Dr. Hoang, a healthy adult can eliminate 1 unit of alcohol every hour. This is an average number. Depending on the individual, such as people with weak livers or people who are heavier than average, this time period can increase or decrease.
In addition, pathological factors, age, weight, or when the stomach contains a lot of food, the rate of alcohol absorption in the stomach will be slow and the rate of alcohol excretion will also be slow.
Regarding the body's alcohol excretion mechanism, about 10 - 15% will be excreted through the respiratory tract, skin, and sweat. About 85 - 90% will be processed through the liver.
Drinking 10 glasses of strong alcohol (about 40 degrees) is equivalent to 10 units of alcohol, the liver will take about 10 hours to eliminate. However, after elimination, the body needs 2-3 hours for the alcohol in the blood to return to 0.
Therefore, if you drink 10 glasses of strong alcohol, it will take about 13 hours after drinking for your alcohol concentration to increase.
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