The Apple Watch may be small enough to fit comfortably on your wrist, but there are countless features beneath its surface — many of which are designed to help you monitor and improve your health. To discover exactly what the Apple Watch has to offer for your wellness journey, I spoke with a doctor at Apple to gain more insight into how these features were designed and who they're best suited for, so that we can all get the most out of our smartwatch .

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1. The Vitals app

Using overnight health metrics, the Vitals app can reveal much about your health and how it changes daily. From heart rate and wrist temperature (available on Apple Watch Series 8 or later a

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