Do you really need to drink eight glasses of water a day? Can drinking water help you lose weight? Does coffee dehydrate you? Experts explain the science of hydration. Learn more about sponsor message choices: <a href="https://podcastchoices.com/adchoices" target="_blank" rel="noreferrer noopener">podcastchoices.com/adchoices</a> <a href="https://www.npr.org/about-npr/179878450/privacy-policy" target="_blank" rel="noreferrer noopener">NPR Privacy Policy</a>

Do you really need to drink eight glasses of water a day? Can drinking water help you lose weight? Does coffee dehydrate you? Experts explain the science of hydration.Learn more about sponsor message choices: podcastchoices.com/adchoicesNPR Privacy Policy

Do you really need to drink eight glasses of water a day? Can drinking water help you lose weight? Does coffee dehydrate you? Experts explain the science of hydration. Learn more about sponsor message choices: <a href="https://podcastchoices.com/adchoices" rel="noopener noreferrer">podcastchoices.com/adchoices</a> <a href="https://www.npr.org/about-npr/179878450/privacy-policy" rel="noopener noreferrer">NPR Privacy Policy</a>

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How much water does your body really need?

How much water does your body really need?