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Reference.org
Driving under the influence
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<p>Driving under the influence (DUI) is the offense of driving, operating, or being in control of a vehicle while impaired by <a href="/facts/Alcohol_(drug)/IeK2fVd5">alcohol</a> or <a href="/facts/Drug/FFFUI9n4">drugs</a> (including <a href="/facts/Recreational_drug/eoBD3vKn">recreational drugs</a> and those prescribed by <a href="/facts/Physicians/qJ3woFvG">physicians</a>), to a level that renders the driver incapable of operating a motor vehicle safely. Multiple other terms are used for the offense in various jurisdictions. </p>