3 ms·

If you just drink when you are thirsty, you should be fine, it has sustained us as a species for a very long time.

• fjsolwmv 8y ago
  It's easy to not drink when you are thirsty, causing discomfort, weakness, and headaches.
  • blang 8y ago
    As in you don't know you are thirsty or you don't have access to water?