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 ...

The best heart rate monitors will track your heart rate comfortably, consistently and accurately ...