Your blood serves numerous roles to maintain your health. To carry out these functions, blood contains a multitude of ...

Blood oxygen levels help indicate lung health, as well as other conditions that happen in the body. Learn more about normal blood oxygen levels here.

All newborns should get a simple oxygen test to check for serious heart defects before they come home from the hospital, a federal advisory panel says.

The fingertip devices that hospitals use to monitor patients' oxygen levels might be less accurate in people with dark skin, a new study suggests.

Understanding what common blood tests are intended to measure can help you better interpret the results. If you have results from a recent blood test handy, please follow along.

An Hgb blood test measures a person’s hemoglobin levels. This protein helps red blood cells carry oxygen and keep cells and organs functioning. Low hemoglobin is known as anemia.

A Common Blood Oxygen Test Fails to Detect the Worst Effects of COVID-19 in Many Black Patients Michael Sjoding, a pulmonary physician and professor based in Michigan and originally from Salem ...

Not pulling the rom-com-inspired strings here, but it should not even be up for debate why paying attention to heart health ...

Apple just reintroduced a blood-oxygen reading feature to some Apple Watches last week, but a new lawsuit could force the ...

The MCHC blood test measures the concentration of hemoglobin in red blood cells, helping diagnose anemia and other blood disorders.

A red blood cell count test gives the correct number of red blood cells in your body. Learn about how the test is done, why it is done, risks, and more.

Researchers have developed a non-invasive diagnostic tool for Alzheimer’s disease that measures how the brain regulates blood ...