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Buffalo Bills safety Damar Hamlin, who has been cleared to resume football activities, said Tuesday his cardiac arrest during an NFL game in January was caused by commotio cordis.
Damar Hamlin cleared to resume football activities after January cardiac arrest
![[aggregator] downloaded image for imported item #24543](https://news7f.com/wp-content/uploads/2023/04/230418115826-damar-hamlin-file-0327.jpg "Damar Hamlin cleared to resume football activities after January cardiac arrest")