If you've ever wondered what the strongest alcoholic drink you can have is, the answer lies in something called the "proof" of the alcohol. If you've ever looked at the label on a bottle of liquor ...

has 70 calories/1 oz 90-proof vodka (45% alcohol) has 73 calories/1 oz 100-proof vodka (50% alcohol) has 82 calories/1 oz When it comes to portion size, the average serving size of wine and ...