Dr. Jonathan Swartz reported at a recent American College of Cardiology meeting that middle-aged marathoners had lower cholesterol levels, slower heart rates and lower body mass indices, but had increased calcium in their coronary arteries, higher blood pressure, and more aortic stiffness than controls who were not runners. This indicates that high intensity, long-term running might be hazardous. A more moderate schedule is certainly beneficial. This is study had similar findings to a 2008 clinical trial in Germany that was published in the European Heart Journal.
See Family Practice News(click here), May 15, 2010, p. 10.
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