95 to 100 percent is the healthy adult range, and the FDA warns consumer devices can read falsely high.

Blood oxygen levels have come into the spotlight this year because health practitioners are using that metric to check for and monitor COVID-19 cases. But blood oxygen, or SpO2, levels have been used ...

Confused by your pulse oximeter readings? This video breaks down what your blood oxygen levels truly indicate about your ...

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. A doctor has disproved the myth that face masks or coverings lower ...