STAT March 16, 2019
Matthew Herper

New results of a gigantic study testing how well the Apple Watch detects important heart-rhythm changes offer a tantalizing glimpse of how consumer devices might change medicine and lead to new ways to conduct science — but little more.

Unfortunately, the data don’t tell us much about whether anyone should buy an Apple Watch, or whether the device is good for the population at large.

“At least it is not an epidemic of false alarms,” said Dr. Eric Topol, director and founder of the Scripps Research Translational Institute.

The Apple Heart Study is being released at the annual meeting of the American College of Cardiology here. Full results will be presented before thousands of doctors at the opening of the...

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