https://medium.com/@NautilusMag/at-deaths-door-he-was-put-on-ice-a015a5d74671

I n 2007, Patrick Savage, then a 52-year-old deputy chief of the New York City Fire Department, suffered cardiac arrest after a morning run on the treadmill. He had run triathlons every year since 1984, but a genetic predisposition…

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