Damar Hamlin's collapse underscores that even young, fit athletes can suffer sudden cardiac arrest. Experts explain what causes it
Bills' Damar Hamlin Practices for First Time Since Cardiac Arrest, Sports-illustrated
Buffalo Bills' Damar Hamlin 'Suffered Cardiac Arrest' Playing Bengals
Hamlin in mind, Bills return to action with first-play TD
What happened to Damar Hamlin?
Damar Hamlin's GoFundMe hits $7 million after Bills safety's cardiac arrest on 'Monday Night Football'
Bills safety Damar Hamlin eases back into practice 5 months since near-death experience
Damar Hamlin's condition is far more important than football - The Boston Globe
Bills' Hamlin faces long recovery, family spokesman says