Everything you need to know about photoplethysmography (PPG), the technology behind heart rate measurements in fitness ...

But it turns out more subtle color changes occur at rest as the heart pumps blood around the body. The ebb and flow of blood ...

A team of medical researchers and engineers at Google Research has developed a way to use the front-facing camera on a ...

Walmart has massively marked down a highly-rated pulse oximeter that's designed to monitor your heart rate and blood oxygen levels whether you're at home or playing sports. If you want a better ...

According to new research, smartwatches could be the best way to monitor your heart health. Researchers believe the data ...

Omron Evolv Wireless Blood Pressure Monitor ($70): The portable monitor provides precise clinical readings and features a ...

Aria Gen 2, which arrives roughly five years after the first-generation Aria device, adds new capabilities ... Aria Gen 2 has a PPG sensor for measuring heart rate and a contact microphone to ...

With insights from 3 expert coaches, we explain what Heart Rate Variability means for endurance athletes and how to use HRV ...

Fitness trackers detect heart rate by measuring changes in blood volume ... Sogaard said. For example, a device that is too loose or too tight will not allow the optical sensors to get a good ...