How long does alcohol stay in your system? what you need to know


Drinking and driving concept.  Car keys and beer glass on a wooden pub counter background.

The Centers of Disease Control and Prevention says two-thirds of adults drank alcohol in 2018. How much varies, of course, but no one wants to end the day with a DUI because they mistakenly believed they were sober when they weren’t.

According to the National Institute on Alcohol Abuse and Alcoholism (NIAAA), a plethora of factors contribute to how long alcohol stays in your system. Misunderstanding these factors makes it difficult to tell if you are legally safe to be behind the wheel and can lead to tragic consequences.

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How long does alcohol stay in your system? says how long alcohol stays in your system depends on your age, weight, whether you’ve eaten recently, medications, liver disease, and the time between drinks. A cup of beer can stay in one person’s system longer than another person of a different weight.

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