Some Wearables Can Track Blood Pressure. Do They Work?

Blood pressure is notoriously tricky to measure, whether in a doctor’s office or at home. Now, several wearables—including the Oura Ring and the latest Apple Watch—say they can help people track their blood pressure without an inflatable cuff (wsj.com/health/wellness/blood-pressure-monitor…). WSJ personal tech columnist Nicole Nguyen (wsj.com/news/author/nicole-nguyen?mod=WSJ_TNBPOD)explains how these devices held up to real-life testing. Danny Lewis hosts.

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