Here’s what HRV is, how it works and what can cause it to rise or fall.

AirPods Can Measure Your Heart Rate, but Are They Accurate?

Google published a study in Nature detailing its development of a research system that measures heart rate and resting heart rate using a smartphone's front-facing camera. The "Passive Heart Rate ...

Google researchers have developed a system that passively measures heart rate and resting heart rate through a smartphone’s front-facing camera. The system, called passive heart rate monitoring, or ...

A machine-learning system has been developed that can monitor heart rate using facial video clips that are captured passively by the user-facing camera during everyday smartphone use. The system meets ...

A new study shows how ordinary phone unlocks could eventually support passive heart-rate tracking, using facial video and deep learning to make cardiovascular monitoring more accessible while raising ...

Clair Health closed an $11.6M seed led by Khosla Ventures for a wrist-worn device that tracks estrogen and progesterone without needles. It ships in November.

Independent testing shows AirPods Pro 3 can track workout heart rate with low average error, but limits remain for intervals, ...

Artificial intelligence programs can spot patterns in electrocardiograms that humans miss. Now, one program is going to be ...

CISA, the FBI, the NSA, the Department of Energy, and other US government partners are warning that hackers are targeting internet-exposed automatic tank gauge (ATG) systems used to monitor fuel and ...

Heart rhythm monitoring in the weeks before cardioversion therapy for atrial fibrillation/atrial flutter reduced the ...