If you want to get healthy, a fitness tracker can help. At PCMag, we put them through rigorous testing to see which ones are ...

Abstract: Oxygen saturation (SpO2) is a vital parameter in clinical practice. Clinical research suggests that SpO2 may significantly decrease in patients with lung infections before evident symptoms, ...

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 ...

Huawei’s blood sugar tracking timeline shows how its watches moved from blood pressure monitoring to diabetes risk alerts, ...

Accurate patient monitoring is not an optional extra in general practice. It is a fundamental part of the clinical encounter, ...

Fitness wearables can help you move more, sleep better, and stay healthy. Here's how to pick the right one for you, along with the top fitness trackers we've tested. I’m PCMag’s senior writer covering ...

What is a sleep study? There are different stages of sleep. Each stage has aspects that can be measured. A sleep study is a number of tests recorded at the same time during sleep. The tests measure ...

Ultrahuman Ring Pro starts shipping worldwide today at $479 with lifetime access to all core health features — no ...

Sharp's first smartwatch goes beyond tracking calories burned. The Karada Mate Watch uses a bioelectrical impedance sensor to estimate calorie and water intake by reading fluid and sugar shifts inside ...

The Samsung Galaxy Watch Ultra 2 arrives this July with a 35 percent larger battery, new metabolic health sensors, and a rugged titanium design.

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 ...