Of all the new features in iOS 8, one hasn’t gotten a lot of attention — and it’s the one feature that all iOS 8 users should at least consider.

I’m talking about the Medical ID record in the new Health app. Even if you aren’t tracking fitness, diet or sleep — and fortunate enough not to be managing or monitoring a chronic condition like diabetes, COPD or heart disease — this is one aspect of the health app worth understanding. Although all other HealthKit-related functions are on hold for now, Medical ID is fully baked and ready to use.

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