The last time an Olympic teammate saw the often-troubled former hockey star, Pavelich seemed optimistic. Four days later he was dead. Now his sister wants to know if C.T.E. contributed to his difficulties and his death.

#chronic-traumatic-encephalopathy, #eruzione-mike, #hockey-ice, #mark-pavelich, #mental-health-and-disorders, #national-hockey-league, #olympic-games-1980