Proper blood circulation is considered essential for maintaining a healthy body and ensuring that all organs function correctly. Hemoglobin, a protein present in the blood, continuously delivers ...

An SpO₂ reading of 94% is slightly below the usual range for a healthy adult at sea level. A pulmonologist explains what can cause the reading, when to repeat it and when medical attention is needed.

Like thermometers, toilet paper, and face masks before them, pulse oximeters — your doctor likely clipped one on your finger during your last annual physical and you haven’t thought of it since — have ...

Final 2025 CDC data show a record-low U.S. fertility rate of 53.2 and a 7% drop in teen births. What the numbers mean for maternity care access. Ric Flair, 77, was hospitalized after a Tampa fall ...

Each week we answer some of your pressing questions about the coronavirus and how to stay safe. Email us your questions at goatsandsoda@npr.org with the subject line: "Weekly Coronavirus Questions." ...