Some claim that Alexei Navalny was killed by a single blow to the heart. But is this feasible? Commotio cordis is the result of blunt trauma to the heart, and is one of the leading causes of sudden ...
This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. Buffalo Bills safety Damar Hamlin says his ...
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