Carley is a writer, editor and social media professional. Before starting at Forbes Health, she wrote for Sleepopolis and interned at PBS and Nickelodeon. She's a certified sleep science coach and ...
Computer Science and Engineering Ph.D. student Nayan Bhatia demonstrates Pulse-Fi, technology that uses WiFi signals to measure a person's heart rate. Heart rate is one of the most basic and important ...
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What is a dangerous heart rate?

Medically reviewed by Anisha Shah, MD Key Takeaways A heart rate over 100 bpm or under 60 bpm at rest can be ...