A glass of beer to stay hydrated summer , a glass of wine at an elegant dinner or a glass of vodka to have fun in the club. If consumed moderately , it can have positive effects on health , but if it causes excessive consumption and unpleasant conditions hangover . Alcohol dependence has a social impact unpleasant , often meeting with others in the entourage can become unpleasant due to this habit. In some cases it can have legal implications , such as driving under the influence. If alcohol addiction is not treated properly , most often this results in chronic alcoholism .
