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Alcoholism, chronic and usually progressive illness,. Alcoholism is thought to arise from a combination of a wide range of physiological, psychological, social, and genetic factors. It is characterized by an emotional and often physical dependence on alcohol, and ....

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.... more accurately, it has come to be viewed as a complex disease in its own right. Alcoholism usually develops over a period of years. Alcohol comes to be used more as a mood-changing drug than as a foodstuff or beverage served as a part of social custom or religious ritual. Initially, the alcoholic may demonstrate a high tolerance to alcohol, consuming more and showing fewer adverse effects than others. Subsequently, however, the person begins to drink against his or her own best interests, as alcohol comes to assume more importance than personal relationships, work, reputation, or even physical health. The person commonly loses control over dr ....