Alcohol and Dementia What is the Link? A Systematic Review PMC

Long-term heavy alcohol use also causes reduced levels of thiamine (vitamin B1), which is necessary for proper brain functioning. This can lead to Wernicke-Korsakoff syndrome, which begins with Wernicke’s encephalopathy, a swelling of the brain. If left untreated, Wernicke’s encephalophathy leads to Korsakoff syndrome, which results in symptoms similar to those of dementia [3][6]. Finally, [...]