A male runner in his 30s jogs outdoors at sunset, wearing a blue athletic shirt with a glowing red heart graphic over his chest, symbolizing athlete’s heart.

Athlete’s Heart:  What It Is and When to Worry

Way back in 2010, when I was still a very active endurance athlete, racing 10 or more times a year, I remember one particular visit to my doctor for a routine physical. That’s when I was told I had “athlete’s heart.” My doctor quickly followed up by saying it was nothing to worry about and […]

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