The risks, they are now well known. The risk of accidents in the first place. "A young person aged 15-16 in four is already mounted in the car of a drunken driver" Finally, a positive alcohol was found in 40% of suicides among teenagers.
We know that on the road, the alcohol limit is set at 0.5 g / liter of blood.
It is less often than once crossed the threshold of 0.8 g / l, then it is a crime punished more severely (see Table penalties), for just one or two glasses of more.
To limit the risk and maintain its road driving license, it is necessary to know how to estimate its own alcohol.