[REBROADCAST] Celebs and wellness blogs treat water like a magic elixir that will make us the most attractive and healthiest version of ourselves. But do these claims hold water? And how much do we really need to be drinking to stay healthy? We speak to Professor Hollie Raynor, Professor Stavros Kavouras and Dr. Tamara Hew-Butler to find out. Find our transcript here: https://bit.ly/sciencevshydrationrerun  We’re doing an “Ask Wendy Anything” episode! To ask Wendy a question, get in touch on Instagram: Science_Vs; Tiktok: @wendyzukerman. If you want to send us a voicemail you can email us on sciencevs@gimletmedia.com. If you're in the US, you can call us at 774-481-1238. This episode was produced by Wendy Zukerman, with help from Nick DelRose, Michelle Dang, Meryl Horn, Courtney Gilbert, Rose Rimler and Disha Bhagat. Editing by Blythe Terrell with help from Caitlin Kenney. Fact checking by Diane Kelly. Mix and sound design by Sam Bair. Music written by Bumi Hidaka, Emma Munger, Bobby Lord, So Wylie and Peter Leonard. Thanks to the researchers we got in touch with for this episode, including Dr. Andrew Brown, Dr. Jason Lee Kai, Dr. Jodi Stookey, Dr. Vincent Ho, Dr. Tristan Struja, Dr. Stephen Goodall, Dr. Ekua Annobil, Professor Barbara Rolls and Dr. Krista Casazza. Special thanks to Rasha Aridi, Eric Mennel, The Zukerman Family and Joseph Lavelle Wilson. Learn more about your ad choices. Visit podcastchoices.com/adchoices