How much water do you really need?

Do we really need eight glasses of water a day? Science finally has the answers. ► Subscribe for more tech & culture videos: http://bit.ly/2Sbyx1s ◄ MORE FROM MASHABLE ‌• Video - https://youtu.be/6ElleCub6uM ‌• Video - https://youtu.be/jAu1ZsTCA64 ‌• Video - https://youtu.be/W8T6fYt9-tA Subscribe to Mashable: http://bit.ly/2Sbyx1s Best of playlist: http://bit.ly/2Z5rSXs MASHABLE ACROSS THE WEB Mashable.com: http://bit.ly/2SazmYh Facebook: http://bit.ly/2T5bgLp Twitter: http://bit.ly/2Cx8gSN Instagram: http://bit.ly/2Tctzi3 Mashable is for superfans. We're not for the casually curious. Obsess with us. http://bit.ly/2Ldl5I3 Mashable April 29, 2019 at 03:07PM