Why does alcohol play on an important role in our society nowadays? Teenage drinking has become one of the largest social issues among young people in America today. Although more than half of high schooners drinks on a regular basis, the problem is that they are not aware of how dangerous alcohol can actually be. There are many impacts of alcohol to a human body including a large number of system such as obesity, high blood pressure and thoughts, which may lead to sexual behavior. There are three main causes of drinking alcohol in teenagers which are broken emotion problem, bad life style and peer pressure in a group of teenagers.