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.
It affects the nerves that pass messages around the body by slowing them down and the more you drink the greater the effect. The reason people often get more lively when they've had a drink is that alcohol affects parts of the brain responsible for self-control. Your reactions also slow down, and you may become uncoordinated or unsteady on your feet. Your speech may get slurred and you may start seeing double.