Cardiology

The underestimated risk of mitral regurgitation

Mitral regurgitation is a disease in which the valve between the left atrium and left ventricle starts to leak, so that blood refluxes with each heartbeat. Typical symptoms of mitral regurgitation are increasing fatigue, ...

Diseases, Conditions, Syndromes

Wearing a mask while exercising is safe for most, study finds

A small study suggests there's no harm in masking up during exercise for most people. "What we found was, that it is safe to run at peak exercise in both an N95 mask and a cloth face mask," said lead author Matthew Kampert, ...