That’s where pulse oximeters come in. These small devices measure your heart rate and SpO₂. They give you another way to understand how your body responds during exercise and recovery. Also, they may ...

One of the most important metrics on a Fitbit tracker is the Estimated Oxygen Variation—and now that every tracker is fitted with an SpO2 sensor, everyone can take advantage. Blood oxygen may be used ...

We tested 50 air purifiers to find the best for removing dust, pollen, pet dander, smoke, and odors, with picks for bedrooms, ...

That soft green glow is doing more work than it appears. It is chosen not for aesthetics, but for accuracy, reliability and how the body absorbs light at rest and in motion. Words by: Rupert Taylor At ...

Continuous glucose monitors have become popular among those who need to track their glucose levels because they're painless ...

An international team, including the University of Tokyo, has created a sensor inspired by the lateral line in fish - their ...

Whether you want to track your stress, sleep, heart rate, steps or more, these are our favorite fitness trackers.

Carbon monoxide detectors can emit various types of beeps. Some are relatively innocuous, while others are high-priority alerts that you should not ignore.

Pulling the dipstick is easy. Reading it correctly is another story. Here's when to check, how to read the markings, and what ...

“No, it's not a $400 Apple or Samsung, but it does give them a run for their money.” ...