You can get drunk off of one beer for many reasons. Your diet that day – how much food and water you consumed in the last 24 hours – has a significant impact on how quickly you get drunk.
Other factors such as general health and the ABV of the beer may also be at play. In rarer cases, it may be an indicator of a liver problem or alcohol allergy.
Many factors play into why a person gets drunk. It can even vary from day to day depending on your diet, amount of sleep, and general wellness.
If you just noticed that you recently have been getting drunk very easily, it may be an indication of an issue with your liver.
While the symptoms of drinking alcohol may vary a bit depending on the person, how our bodies process alcohol is the same. Once you drink alcohol, it enters your organs and is absorbed into your blood via the stomach and small intestine.