I tested my Fitbit Air against an 'ECG-accurate' heart rate monitor - the results surprised me

I tested my Fitbit Air against an 'ECG-accurate' heart rate monitor - the results surprised me ...
Morning Overview on MSN

Both a very low and a very high resting heart rate may raise stroke risk

Adults whose resting heart rate falls below 50 beats per minute or climbs to 90 and above face a measurably higher risk of ...
Wareable

Best pulse oximeters in 2026: Tested and compared

That’s where pulse oximeters come in. These small devices measure your heart rate and SpO₂. They give you another way to understand how your body responds during exercise and recovery. Also, they may ...
news.ucsc

WiFi signals can measure heart rate—no wearables needed

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 ...