This is a free audio podcast from the American Physiological Society. Discussion questions, related research, and other teaching resources are available by clicking on the "collection" tab in the left hand column. Heart attacks peak during the winter months and cold weather has been thought to be the primary culprit. But cardiologist Robert Kloner of the Keck School of Medicine and Good Samaritan Hospital found that heart attack deaths peak on Christmas and New Year's in the mild climate of Los Angeles County. Could it be that the weather is not the most important factor behind the seasonal increase in heart attacks? The show's second segment, the Buzz in Physiology, features research on how a probiotic treatment alleviated colitis in mice and how five exercises helped women office workers suffering from repetitive strain injury. (Begins at 10:55)


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