Driving while hungover still dangerous, despite no blood alcohol

Two international studies presented at the Australasian Professional Society on Alcohol and other Drugs (APSAD) conference in Brisbane this week suggest driving is significantly impaired after a night of heavy drinking even after a person’s blood alcohol concentration (BAC) has returned to zero.

A Dutch study tested the driving performance of 47 healthy volunteers after a night of heavy drinking where they consumed an average of 10.2 alcoholic drinks.

Participants took a 100km highway driving simulator test once their BAC had returned to zero, and the results were compared to how they performed after a night of not drinking.

The results showed that a hungover driver had increased lapses of attention and an increase in driving course weaving.

“The magnitude of driving impairment is higher than that observed with a BAC of 0.05%, which is the legal limit for driving in some countries,” said Dr Joris Verster, an author of the

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