Heart rate zones tell you how hard you're working when you're doing cardio (but not strength training). You shouldn't worry too much about them if you're new to exercise, but if you'd like to give ...

Researchers at the Mount Sinai Kravis Children's Heart Center led a multicenter effort to develop and validate an artificial ...

Apple, Garmin, Samsung, Google or Amazfit? I compared each one against a chest strap for heart rate accuracy and found a ...

Balance athletic goals with arrhythmia risk: match the device model and sensor to the sport, and use stress testing to set detection zones and avoid inappropriate therapy.