That said, I mostly chug H20 because I know that drinking enough water is good for your joints, kidneys, skin, and general health — not necessarily because I'm always thirsty, as evidence by all the gadgets I use to remind me to actually drink. If you always feel parched, it can be a sign of a potential health problem and is a good reason to check in with a doctor. One of these culprits could be behind your urge to hit the Brita ‘round the clock.