Apple and Stanford Medicine just completely the largest heart study of its kind ever: 400,000 Apple Watch-wearing participants. Preliminary results from the study are just now being released.
First, the obvious: wearable tech seems to make us safer.
“Wearable technology can safely identify heart rate irregularities that subsequent testing confirmed to be atrial fibrillation,” Stanford says.
Secondly, most of us don’t have to worry about atrial fibrillation.