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 ...

If you have a health condition, your blood oxygen level may fall outside of the normal range. Learn what abnormal blood oxygen levels mean.

A blood oxygen level indicates how well the body distributes oxygen from the lungs to all of its cells. What does it mean to have low blood oxygen?

With several Covid-infected individuals suffering from fluctuating oxygen levels after 4-5 days of illness, doctors have advised all patients to monit ...

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.

Oxygen levels can drop when you have COVID-19. Learn about using a pulse oximeter at home, including when to call the doctor or seek emergency care.