Guest Episode: Body Stuff with Dr. Jen Gunter. Think you know how your body works? Think again! Dr. Jen Gunter is here to shake up everything you thought you knew — from how much water you need to drink to how often you need to poop and everything in between. Join us weekly for this TED original series that will tell you the truth about what's *really* going on inside you. This episode: You know the old rule that you need to drink eight glasses of water every day? It's simply a myth, says Dr. Gunter. She explains the amazing way your kidneys keep your system in balance — and how you can really tell if you're dehydrated. Want to hear more from Dr. Gunter? Check out her podcast Body Stuff, from the TED Audio Collective.

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