Friday, November 15, 2019
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Stanford publishes its massive Apple Watch heart-rate study – Engadget

The study, which was sponsored by Apple and started back in 2017, garnered enough interest to enlist 400,000 volunteers with access to an iPhone and a Watch Series 1, 2 or 3. Apple's newer smartwatches weren't included, because it was before their time. The Heart Study app monitored the participants' heart rhythm to look for…

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