Cardiovascular disease

FILE - In this Aug. 23, 2018 file photo, Dave McGillivray, race director of the Boston Marathon, runs past fans inside Fenway Park, as he commemorates the last leg of his 80-day run in 1978 to benefit the Jimmy Fund, before a baseball game in Boston. A few months later, McGillivray underwent triple bypass surgery after suffering chest discomfort and difficulty breathing while running. He is cautioning people thinking of running a marathon to talk with their doctors before hitting the road, especially if they have coronary artery disease or a family history of it. (AP Photo/Elise Amendola, File)
April 11, 2019 - 1:27 am
BOSTON (AP) — It was the death heard 'round the running world. In July 1984, acclaimed author and running guru Jim Fixx died of a heart attack while trotting along a country road in Vermont. Overnight, a nascent global movement of asphalt athletes got a gut check: Just because you run marathons...
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