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 ...

Wearable devices like smartwatches and fitness trackers have revolutionized the way we monitor our health. Worn around the clock, these devices quietly collect valuable data—from heart rate and blood ...

Heart rate variability (HRV) is the variation in the time between two consecutive heartbeats over a specific period. Doctors may use HRV as an indicator for certain aspects of a person’s health, ...