In an emergency—especially if you are unresponsive—allowing a medical professional to access your digital medical ID can save your life by providing crucial details about your medical history. Here’s a quick rundown about how to set one up on your phone. Using the iPhone’s Medical ID Apple’s iPhones have a built-in medical ID that makes it possible for first responders and medical professionals to access your health information even if your phone screen is password-protected. Using the iPhone Health app, …