Have you ever noticed the Health app on your iPhone? It gives you a dashboard of all your health & fitness data. It has pretty cool features that let you track your daily steps, calories, miles walked, etc.
But the feature that's probably the most important, is the one you likely didn't know about -- the Medical ID. In a few easy steps, you can plug in health information that can be vital in case of emergency. For details on step-by-step set up, click here.