There is no reliable way to measure one's blood alcohol level. There is huge variation in the way a given amount of alcohol works through to the blood. It depends on the weight and sex of the drinker, the amount of water consumed with the alcohol, the level of hydration of the body and any soft drinks or food consumed at the same time. Alcohol gives you energy . Get serious - alcohol is a depressant.
Drugs are a bigger problem .
Nope - Alcohol and tobacco kill 50 times more people than drugs. Ten million are addicted to alcohol. It's a drug. You'll get drunk a lot quicker on hard liquor than beer or wine . Don't kid yourself, alcohol is alcohol.