Am I Dehydrated?
Thirst is the LAST sign of dehydration, not the first as some mistakenly believe. Thus, if a person drinks only when prompted by thirst, he or she is chronically dehydrated. Are you thirsty?

In our society, instead of drinking water, a thirsty person drinks a carbonated beverage, which USES water from the body making them more dehydrated! It takes approximately twice as much water by volume to eliminate the beverage (these beverages also increase the person’s need to urinate, forcing them to lose more liquid still, and making the person more thirsty...