Back to today’s briefing

Story perspectives

Experts Recommend Tailored Hydration for Hot Days

8/14/2025

47 8

Summary

Story summary

Staying hydrated is vital, especially during sweltering days when sweat can quickly deplete your body's water reserves. The outdated notion of drinking eight glasses daily oversimplifies hydration needs, which vary based on age and activity. Experts suggest adults aim for 2.7 to 3.7 liters daily, or half their body weight in ounces, to stay refreshed and healthy.

1 of 1

Story summary

Staying hydrated is vital, especially during sweltering days when sweat can quickly deplete your body's water reserves. The outdated notion of drinking eight glasses daily oversimplifies hydration needs, which vary based on age and activity. Experts suggest adults aim for 2.7 to 3.7 liters daily, or half their body weight in ounces, to stay refreshed and healthy.