You're at the doctor’s office for your annual check up. At the end of the physical, the doctor gives you a prescription to take to the pharmacist … and a smartwatch. The doctor tells you that it wants to monitor your heart rate and activity for the next several weeks to determine a baseline of your health and fitness.
If the doctor is concerned with your heart, she might also give you a sensor that is injected into your bloodstream. She says that this sensor can alert you to a possible heart attack two weeks before it actually happens.
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