The human body comprises around 60% water.
It’s commonly recommended that you drink eight 8-ounce (237-mL) glasses of water per day (the 8×8 rule).
Although there’s little science behind this specific rule, staying hydrated is important.
Here are 7 evidence-based health benefits of drinking plenty of water.
1. Helps maximize physical performance
If you don’t stay hydrated, your physical performance can suffer.
This is particularly important during intense exercise or high heat.