What is alcohol: - The alcohol that has drinked at bars or parties is created by fermentation, a procedure in which the yeast fungus feeds on the sugars and/or starches in particular plants such as barley or grapes and excretes alcohol along with carbon dioxide.

Why it drink: - Many people do not realize they have a drinking problem which dangerous to their health. They think that they drink for enjoyment.

Some of the reasons of drinking are:

• Get a break from their daily routine.
• De-stress from school or work.
• Reward them.
• Feel less inhibited in social situations.
• Fit in with others that are drinking.
• Express feelings that are difficult to express when they are sober.
• Suppress painful feelings such as shame, anger, sadness or loneliness.

Effect on the body: - Every time someone has take drink, whether it is beer, wine or liquor. Alcohol is a drug that is immersed into the bloodstream from the stomach and small intestine. It is broken down by the liver and then eliminated from the body.

The alcohol effect the brain, the person starts to feel drunk. The reason of this feeling can vary significantly from person to person and even within the same person from situation to situation. What is general to all persons and all situations is that alcohol depresses the brain and slows down its capacity to manage the body and the mind.

Social and cultural roles of alcohol:-
Given overpowering proof for the primacy of sociocultural factors in determining both drinking patterns and their consequences, it is obvious that ethnographic study findings on the social and intellectual roles of alcohol may have important implications for policy makers mainly in areas like Europe where economic and political 'convergence' could have important impact on drinking-cultures and their related lifestyles.

Symbolic roles:-
From the ethnographic matter available, it is understandable that in all cultures where more than one type of alcoholic drink is obtainable, drinks are classified in terms of their social meaning, and the categorization of drinks is used to describe the social world. Few, if any, alcoholic drinks are socially neutral: every drink is loaded with symbolic sense, every drink conveys a message. Alcohol is a representative means of transportation for identifying, describing, constructing and manipulating cultural systems, values, interpersonal relationships, behavioral norms and prospect. Choice of drink is rarely a matter of individual taste.