How Long Does Alcohol Leave Your System?

Alcohol dehydrogenase is the main liver enzyme that processes alcohol. ADH breaks down alcohol into poisonous acetaldehyde, which is transformed into harmless acetate.

Acetate is then broken down into carbon dioxide and water, which the body excretes. This metabolization mechanism regulates Blood Alcohol Concentration (BAC).

Alcohol metabolism is steady. The average healthy liver can process one standard drink per hour. This might vary greatly depending on age, weight, gender, and health.

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The average American drink includes 14 grams of pure alcohol, comparable to 12 ounces of beer, 5 ounces of wine, or 1.5 ounces of spirits. Blood tests usually detect alcohol for 12 hours after drinking.

Urine alcohol stays longer than blood. Alcohol can stay in urine for 12–24 hours after drinking.

Advanced tests include ethyl glucuronide (EtG) urine tests can detect alcohol up to 72 hours after the previous drink.

The amount and kind of alcohol drank, metabolic rates, and test sensitivity affect how long alcohol is detected in urine.

Alcohol is common in many cultures and social occasions. This drug can have a major impact on the body. It lingers in your system longer than expected.

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