HealthDo You Really Need to Drink 8 Glasses of Water a Day?
"Drink 8 glasses of water a day" is one of the most repeated health rules of the last century and one of the least evidence-based. Here's where the number actually came from, what hydration science says now, and how to figure out your real water needs.
DKDr. Kainat Fatima
Sep 16 
