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 ...

The heavy-duty portable air conditioners were doing an admirable job, considering we were sitting in vinyl tents in the middle of a black asphalt parking lot. My team of medical professionals was next ...

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 ...

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 ...

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 ...

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, ...

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 ...