Originally Posted by
caloso
His theory is that people focus on how much they have to pee. Why do they have to pee? Because they're full of water, hot caffeinated water, but water just the same. But when he gave athletes caffeinated water vs. regular water, put them on a treadmill, weighed them, and accounted for how much was lost to sweat and urine, it came out even.
This is what I did with some friends who insisted that coffee dehydrates you because they notice they have to pee soon afterwards. Instead of their 2-3 cups of coffee in the morning, I had them drink the same amount of water. Guess what? Within 1-2 hrs, they had to go pee just the same!
Ultimately, the real test is to weigh yourself to see how much water was lost. Not much different from drinking coffee versus equal volume of water. However, I can drop 5-lbs of water easily in a single day if I workout hard. Exercise dehydrates even more than coffee. Exercise is
BAD, avoid it at all cost!