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

The Garmin HRM-Pro Plus transmits heart rate data through ANT+ and Bluetooth technology. Using electrocardiogram technology ...

Fitness trackers detect heart rate by measuring changes in blood volume, which is exactly what we do when we check our pulse. (Image credit: Getty Images) PPG sensors detect these changes in blood ...

Heart bypass surgery is a new beginning for patients, significantly enhancing longevity and quality of life. It is performed when critical blockages are present and may involve angioplasty with ...

The M14t Gen2 is a great choice as a secondary monitor for office, home, or road use. If you want a portable display mostly for movie watching, you may want to opt for a screen with a 16:9 aspect ...

Here’s how it works. The best fitness trackers you can buy today range in price from just under $50 to several hundred dollars. For 2025, we've rounded up and tested every popular model out ...

We aim to give you a view into how each option could fit into your life and workflow, and the pros and cons of their various features. A high-quality smart ring can make a difference in your sleep ...

A baby monitor at its most basic allows you to see and hear your child while they sleep in another room. A traditional one uses local radio frequency, while a new crop of Wi-Fi-enabled monitors ...

The Abbott Lingo CGM is a different kind of meal tracker, and I recommend it to anyone who's bio-wearable-curious. Here's why.