A person's bac will go down if they:

A person’s bac will go down if they: drink coffee, take a cold shower, or vomit?

BAC, short for “Blood Alcohol Concentration” is the percentage of alcohol in a person’s bloodstream. For example, if a person’s BAC is at .10%, that means that for every 1000 parts of blood, the person contains one part of alcohol.  The legal intoxication percentage in…