alcohol abuse alcohol and cancer alcohol and cardiovascular disease alcohol and weight alcoholic hepatitis alcoholic liver disease alcoholism amnesia anisocoria anterograde amnesia ataxia atrophy basal forebrain beriberi carl wernicke coma confabulation death digital object identifier emedicine encephalopathy enzyme fetal alcohol spectrum disorder fetal alcohol syndrome icd intensive care unit long-term effects of alcohol medical subject headings medlineplus nystagmus papez circuit psychosis pyruvate dehydrogenase raphe nuclei recommended maximum intake of alcoholic beverages retrograde amnesia sergei korsakoff short-term effects of alcohol sub-clinical thalamus transketolase