Diseases, Conditions, Syndromes

Q&A: Researcher discusses what we've learned about long COVID

It has been more than four years since the COVID-19 pandemic began, yet millions of people continue to suffer long-term effects from the virus. Despite thousands of studies, many clinicians remain unsure of how to evaluate ...

Cardiology

Five facts about atrial fibrillation

Atrial fibrillation, or AFib, is a fast and irregular heart rhythm that, left untreated, can lead to blood clots, stroke and heart failure. It's the most common type of arrhythmia, a potentially serious condition in which ...

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