Mercey Livingston is a health and wellness writer and certified Integrative Nutrition Health Coach. She's written about fitness and wellness for Well+Good, Women's Health, Business Insider, and ...

Apple may soon add to the health-tracking features in Apple Watch with the ability to detect users’ blood oxygen levels and notify users when these are at a dangerously low level. 9to5Mac discovered ...

Thousands of times a day, doctors and nurses use a small device called a pulse oximeter--which fits on the end of a patient's finger to measure the percentage of oxygen in the blood--to help them make ...

A recent study found that a key tool for reading blood oxygen can give inaccurate readings for Black and Hispanic patients. Pulse oximeters are placed on a person’s finger and can help monitor how ...

Add Yahoo as a preferred source to see more of our stories on Google. A pulse oximeter on a patient's finger. (Christoph Soeder/Getty Images) The pulse oximeter, a device that measures the degree to ...

The blood oxygen sensor featured in Apple Watch Series 6 and 7 is “not intended for medical use,” Apple says. That seems odd, considering that low blood oxygen is a serious medical condition. If the ...

A systematic review draws together five decades of research -- including more than 730,000 individual measurements -- to assess how a person's skin tone can influence the readings provided by some of ...

A recent study by Michigan Medicine researchers found that pulse oximeters — small blood-oxygen reading devices that clip to the finger — were found to be less accurate in Black patients than in ...

Common devices to measure oxygen in the blood don't work as well in people with darker skin, according to a new study. They are useful, but experts warn readings should be interpreted more carefully.