There’s a Life-Saving (Literally) iPhone App You Don’t Know About

If you’re an avid traveler and you own an iPhone, take note: There’s a little-known feature on your smartphone’s built-in Health App that might just save your life.

Available on iPhones with iOS8 or later operating system, the Medical ID feature allows you to display important medical information and emergency contacts on your phone without it being unlocked. This feature is especially important when you travel, and in particular if you're traveling alone or have a medical issue or serious allergy.

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Within the Health app, you can enter information like your name, age, birthday, blood type, allergies, medical conditions, medical notes, current medication, height, and weight; you can also specify whether you’re an organ donor, as well as provide the name your doctor and any other emergency contacts.

You can enter as little or as much information as you want (although if you’ve found yourself in an emergency situation alone, you’ll probably default to “the more the better”). All of this information can be entered via the Health app.