New study finds most people don't need eight cups of water a day
02:25
A new study found that drinking eight cups of water, which has been the standard recommendation since 1945, may not be necessary. NBC News medical fellow Dr. Akshay Syal explains how researchers observed that water intake varies from person to person based on age, sex, size, activity, and the climate one lives in. Dec. 6, 2022
UP NEXT
Eye drops recall sparks alarm as doctors see infections linked to a dangerous bacteria
01:49
How to recognize heart attack symptoms and save a life
05:37
Heart attack survivor thanks women who saved her on dance floor
03:43
Low impact interval workouts to get your heart pumping
04:05
Skincare trends explained: Micro needling, Cryo freeze, more
05:09
Medical myths debunked: Nutrition, fitness, personal care