How Much Water You Actually Need a Day (It’s Not 8 Glasses)
TL;DR — the 30-second version: Drink when you’re thirsty, aim for roughly 1.5 to 2 liters of drinks a day on top of food, and stop trusting the widget on your phone. The “8 glasses” line is a rounded-up guess from a 1945 note that already counted the water in your meals. Coffee counts. Urine…