Most of us are also familiar with the old adage: Drink eight glasses of water at 8 ounces daily. The eight-by-eight rule ...

Do you really need eight glasses of water daily? Learn why hydration needs vary and how to listen to your body for optimal ...

If you aim to have eight of those glasses, you’re only at 64 oz of water a day. That’s well under the recommended 92 oz of water a day for women and 124 oz a day for men. Still, if you aren ...