Apple Watch wants to monitor your heart’s health — and cardiologists say it could make you worry instead

Apple Watch wants to monitor your heart’s health — and cardiologists say it could make you worry insteadApple Watch wants to monitor your heart’s health — and cardiologists say it could make you worry instead

Apple Watch wants to monitor your heart’s health — and cardiologists say it could make you worry instead

The new Apple Watch Series 4 adds heart-monitoring features, letting users track their heart rhythms and detect signs of atrial fibrillation, which is the most common type of irregular heartbeat and can lead to heart problems and stroke. The U.S. Food and Drug cleared the new heart features, and the American Heart Association’s president even came onstage as part of an Apple product-launch event on Wednesday in Cupertino, Calif.

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