How does alcohol affect your body weight?

Gain usually: Alcohol is broken down into carbohydrates - with little to no true nutritional value- ie: not a fat or protein, or fruit or vegetable with vitamins. While a small glass of alcohol daily has shown benefit with the mediterranean diet, more than that daily is just extra calories.

Two ways: Immediately after.... Your weight drops because its a diuretic . Long term it adds pounds because most are high in calories. But a long term alcoholic is frequently thin because that don't eat, only drink, and their liver is not functioning.