Alcohol is a diuretic (unlike coffee apparently). So in the context of the discussion about water, yes alcohol is unhealthy in that it causes dehydration. If t

Alcohol is a diuretic (unlike coffee apparently). So in the context of the discussion about water, yes alcohol is unhealthy in that it causes dehydration. If there are health benefits to alcohol (and there may well be), I'm sure that adding rum to your coke won't suddenly make the drink healthy.