The smartwatch's Blood Oxygen app lets you measure the oxygen level of your blood on-demand. It's been MIA for more than a ...

Apple spent much of its live-streamed event yesterday speaking to the ways in which the Apple Watch can help users take better control of their health. The new Apple Watch Series 6 even comes complete ...

Alex Hutchinson is a National Magazine Award-winning journalist and Outside’s Sweat Science columnist, covering the latest research on endurance and outdoor sports. On a typical training ride in Spain ...

The wearable's blood oxygen sensor allegedly fails to accurately register dark skin tones. A class-action lawsuit claims the Apple Watch's blood oxygen sensor is racially biased against people with ...

This claim has been repeated and debated by professionals for the past three months. Air-quality monitors take 10 seconds on average to adjust to the air quality in an environment, so they are not ...

A San Diego news anchor has revealed how her 16-year-old son's potentially fatal high-altitude pulmonary edema was uncovered by her Apple Watch. Marcella Lee, anchor on San Diego's CBS 8 news channel, ...

Apple on Tuesday officially announced the Apple Watch Series 6, bringing blood oxygen sensing and new case finishes to the wearable lineup. The latest iteration of the company's flagship wearable made ...

When it comes to metering in the fire service, there’s a culture of “I’m no hazmat technician. Meters are for hazmat geeks.” However, competency in basic metering is a skill that first responders must ...

I had a test done at local auto-parts store that showed a code of PO138. They told me this indicates a problem with the oxygen sensor. I replaced the oxygen sensor and the light never went out. I ...