The central nervous system is the control center for your whole body. Alcohol acts to slow down this control center. Since alcohol has a sedative effect, small amounts can reduce anxiety. Alcohol tends to block some of the commands the brain is sending to various parts of the body, and so it alters your senses. The more one drinks, the more his or her senses are altered.
Alcohol can even be lethal if one drinks an enormous amount.
Many teens start drinking because their families drink. The glass of wine that dad may drink after dinner seems innocent enough. These ads seduce many teens to try alcohol. Teens may find alcohol to be relaxing, but there are many reasons they should not drink. If you're in your early teens, your body is simply not ready to handle alcohol metabolically.