Kyle Busch was 41 years old, a two-time NASCAR champion with 63 career wins, and by every visible
measure — a man in his prime. He didn't die on the track. He died in a hospital, within 24 hours of calling an ambulance, from pneumonia that became sepsis. Dr. Bob Martin and Dr. Adam Brockman ask the question nobody in sports media is asking: Why are we mistaking fitness for immunity — and what is that confusion costing us?