A new study published in 'Alcoholism: Clinical & Experimental Research' has confirmed that appetite-regulating peptides leptin and ghrelin influence alcohol cravings for some alcoholics. Craving, a powerful urge to drink, is an important contributor to the development and maintenance of alcoholism.Professor Otto Lesch of the University of Vienna has divided patients of alcohol dependence into four groups- Type 1 that refers to people with heavy alcohol withdrawals who tend to use alcohol to weaken withdrawal symptoms, Type 2 patients use alcohol as self-medication because of its anxiolytic effects, Type 3 which is an affective disorder as origin for alcohol abuse, and Type 4 patients pre-morbid cerebral defects, behavioural disorders and a high social burden.
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