Is one of the first adverse aspects of use of alcohol.

Judgment loss.

Explanation:

BAC in our system higher than 0.8 causes our judgement loss.

When we reach this level, it's illegal to drive.

Some of the symptoms that occur: slower reaction, focus is bad, balance is lost, impaired judgment-loss and concentration etc.

Even if a person isn't abusing alcohol on the regular basis, they can still experience short-term effects on the body and mind.

Human's liver can metabolize one alcoholic drink per hour. This can vary depending on many factors. For example: a person's age, weight, gender, liver function... Consuming more than one alcoholic drink per hour can cause intoxication, vomiting, passing out...