Oral rehydration therapy is now the standard treatment for dehydration. It’s saved millions of lives, and can be prepared at home in minutes. So why did it take so long to discover?Written by Matt Reynolds for Asterisk Magazine.Original article:https://asteriskmag.com/issues/2/salt-sugar-water-zinc-how-scientists-learned-to-treat-the-20th-century-s-biggest-killer-of-childrenNarrated for the Effective Altruism Forum by TYPE III AUDIO.Share feedback on this narration.