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After Jenny Simpson and Jeff Browning, Here's What Runners Need to Know About Cardiac Events
Ultrarunner Jeff Browning suffered a cardiac arrest at 57 miles (91K) into TDS in August, two months after Olympian Jenny Simpson suffered a cardiac arrest after pacing a mile on the track. While running improves heart health long-term, high-intensity distance running can raise short-term risk for people with an underlying condition.
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