What a scale actually means and what we can do with it depends on what its numbers represent. Numbers can be grouped into 4 types or levels: nominal, ordinal, interval, and ratio. Nominal is the most simple, and ratio the most sophisticated. Each level possesses the characteristics of the preceding level, plus an additional quality. Nominal. Nominal is hardly measurement.
If that's not bad enough, then consider the fact that, over the long-term, alcohol can cause you to be more likely to get sick and can result in severe liver damage. This is because alcohol leads to a condition called cirrhosis, which is the scarring of the liver.
Alcohol alters the normal function of the brain and body, and interferes with your ability to drive safely by impairing your judgment (like figuring out how fast another car is going) and your reaction time (like how quickly you can brake and steer to avoid that car that is going faster than you thought).