You think you know your body pretty well — but Jonathan Young is about to change that. In this episode of Betcha Didn’t Know, Jonathan reveals the strange and occasionally unflattering truths hiding inside the human machine. Your stomach blushes right along with your cheeks. You’re nearly a half inch taller when you wake up than when you go to bed. And your nose can detect over a trillion different smells — yet can’t detect a deadly gas leak without outside help. Your body is brilliant, baffling, and full of secrets.

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