Finding the perfect cardio workout can be overwhelming, especially when flashy new equipment like Peloton bikes and high-tech treadmills are everywhere you look. But if you’re looking for a workout ...

Everything you need to know about photoplethysmography (PPG), the technology behind heart rate measurements in fitness watches and smart rings. When you purchase through links on our site, we may earn ...

WiFi signals can measure heart rate - with no wearable device needed, reveals new research. Engineers showed their technique is effective even with the lowest-cost WiFi devices. Heart rate is one of ...

When the first Apple Watch made its global debut, Apple said it was a product that would enrich people's lives and encourage them to adopt a healthier lifestyle, thanks in part to a heart rate sensor ...

Heart rate variability typically decreases during stressful situations, although the heart rate increases. Managing stress levels can mean a more variable heart rate. Exercise and relaxation ...

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