University of Washington researchers built a smartphone app that tracks fetal heart rate as accurately as clinic tools. No extra hardware, no gel, just the phone’s own speaker and microphone. It’s ...

The system uses a device's front-facing camera and AI to measure heart rate and estimate resting heart rate without requiring a wearable device.

Your next heart-rate monitor may not be a smartwatch at all. Google's latest research hints at a surprisingly simple ...

Heart rate is an important sign of fetal health, yet few technologies exist to easily and inexpensively track fetal heart rates outside of doctors' offices. This can create risks for pregnancies in ...

Researchers developed Passive Heart-Rate Monitoring, a deep-learning smartphone system that estimates heart rate and daily resting heart rate from eight-second facial videos captured during normal ...

Pul AI has announced the release of its innovative health monitoring application that transforms any iPhone into a comprehensive vital signs tracker using the device’s built-in camera technology. The ...

Wearable devices like smartwatches and fitness trackers have revolutionized the way we monitor our health. Worn around the ...

When it comes to exercising, your heart rate is the gold-standard metric to uncover how hard you're pushing. It tells you whether you're working aerobically or anaerobically, how your body is reacting ...

Beth Skwarecki is Lifehacker’s Senior Health Editor, and holds certifications as a personal trainer and weightlifting coach. She has been writing about health for over 10 years. February 18, 2025 Add ...

Passive heart-rate monitoring during regular phone use could provide early warning of health issues — plus, testing Richard ...