Health & Safety Encore: How much water do you actually need? Here's the science 4:26pm January 02, 2023 Share URL copied to clipboard! Copyright 2023 NPR. To see more, visit https://www.npr.org. 300x250 Ad More All Things Considered Sports National Basketball star Candace Parker's high school coach discusses her WNBA retirement Sports National Katie Ledecky tells NPR about her plans for the Paris Olympics — and L.A. in 2028 300x250 Ad Support quality journalism, like the story above, with your gift right now. Donate