eli5, why isn’t drinking a liter of coffee, a liter of beer, and a liter of water as good as 3 liters of water?

Question

eli5, why isn’t drinking a liter of coffee, a liter of beer, and a liter of water as good as 3 liters of water?

In: Biology

Answer 1

Alcohol and Caffeine are both diuretics. Meaning, you’ll urinate more often, the more is in your system. However, when combined (say, drinking a caffeinated beer), the caffeine not only accelerates the inebriation, but it also ramps up your urination frequency.