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You don't need to keep track of your daily steps for a fitness tracker to improve your health. According to Gizmodo, one New Jersey man's FitBit saved his life after he had a seizure and E.R. doctors used the device's information to "reset his heart rate with an electrical cardioversion." Don't worry if that medical jargon flew over your head. All you need to need to know is "FitBit good, FitBit make man not die."

"Yup, still not dead."
"Yup, still not dead."
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Sources: Gizmodo | Annals for Emergency Medicine