Don’t get me wrong, wrist-based heart rate tracking on smartwatches has improved loads over the years, but if you do anything ...

Heart sounds are created as blood flows through the heart's valves, causing them to open and close. Abnormal heart sounds such as murmurs may indicate problems with the heart valves. Ordinarily, heart ...

Heart rate is one of the most valuable physiological metrics for runners because it provides objective real-time insight into how hard your body is working. Unlike pace or distance, which are external ...