Can drinking alcohol cause you to lose weight?

Sometimes: Alchol beverages = lots of calories, so many people get the opposite. But with severe drinking - some people will drink instead of eat and become malnourished. The more thin and malnourished you are the more susceptible to adverse medical effects of alcohol. Alcoholic korsakoff's dementia - or wernikes-korsakoffs is usuallly seen in heavy drinkers w/ vitamin deficiency.