Summary: Measuring your blood oxygen can be a vital way to keep track of your lung health, especially if you're hit with COVID-19 symptoms. But how do they work? And can your phone do the same job as an FDA-approved pulse oximeter?
Summary: Measuring your blood oxygen can be a vital way to keep track of your lung health, especially if you're hit with COVID-19 symptoms. But how do they work? And can your phone do the same job as an FDA-approved pulse oximeter?