However, the most susceptible variable in blood testing for alcohol levels is determined by the actual methodology of the blood drawing. First and perhaps most obvious, the sample is at risk of alteration by an alcohol swab before the needle is inserted.
Alcohol advertising is the promotion of alcoholic beverages by alcohol producers through a variety of media. Along with tobacco advertising, alcohol advertising is one of the most highly regulated forms of marketing. Some or all forms of alcohol advertising is banned in some countries. There are important studies about alcohol advertising published, such as J.P. Nelson's in 2000.
Alcohol is a diuretic and makes your kidneys pump out more water. Over time, your body aclimates to this. When you quit, your kidneys are no longer stimulated by the alcohol and you end up retaining more water, which makes you look puffy. Taking another drink makes you piss it out again.