Imagine checking your heart rate without strapping on a smartwatch or chest monitor. This future might not be far off. Engineers at the University of California-Santa Cruz developed a system that uses ...

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 ...

In a clinical study involving 23 pregnant women in their second and third trimesters, the app estimated fetal heart rate with ...