Constant, excessive thirst could be a sign of an underlying health issue.

I’ve always been super healthy—the person in the friend group who didn’t get a cold even when everyone else did. I was a dancer growing up, and even after that I stayed active, working out frequently.

Add Yahoo as a preferred source to see more of our stories on Google. While it may be an inconvenient or mildly uncomfortable feeling, thirst is on your team. It's a natural physiological function ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Thirst, like hunger, is usually pretty cut and dry. You feel thirsty—usually because you've been sweating ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Thirst, like hunger, is usually pretty cut and dry. You feel thirsty—usually because you've been sweating ...