The Heart's Oxygen Supply Chilled By Cold Air
People with Heart Disease may not be able to compensate for their bodies' higher demand for oxygen when inhaling cold air, according to Penn State researchers, making snow shoveling and other activities dangerous for some. "This study can help us understand why cold air is such a trigger for coronary events," said Lawrence I. Sinoway, Distinguished Professor of Medicine and director of the Heart and Vascular Institute, Penn State College of Medicine. Breathing cold air during exercise can cause uneven oxygen distribution throughout the heart... read more..
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