AHA News: Obstacles Didn't Stop This Heart Defect Survivor From Competing on 'American Ninja Warrior'

FRIDAY, Aug. 12, 2022 (American Heart Association News) -- At 21, Chris O'Connell learned his pediatric cardiologist had retired. He was assigned a new doctor for the annual checkups he'd had all his life.

"I know you've been told to not exercise...