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Looking for Zebras: Medical Mysteries and Transformational Patient Moments

While medicine has become more advanced and specialized, it has also become increasingly fragmented. For people is hard-to-diagnose conditions, that's another obstacle to care.

Gene Expression Changes in Heart Cells: A New Threat to Astronaut Health?

Genetic expression can change in blood vessels under low gravity. Should astronauts be worried?

Arrhythmia, also known as Dysrhythmia

An arrhythmia is a problem with the rate or rhythm of the heartbeat. During an arrhythmia, the heart can beat too fast, too slowly, or with an irregular rhythm.

The Medical Device That May Lead to Harm in People of Color

Testing medical equipment is aimed at ensuring that it applies to every patient, regardless of their race, but one piece missed the mark.