Impulsive purchases, out-of-control spending: These behaviors can be early signs of Alzheimer’s disease or other cognitive decline.
A finding of C.T.E. can help explain violence and erratic behavior by former football players, but it will not give a clear picture of why Phillip Adams fatally shot seven people, including himself.
A small city that bills itself as “Football City U.S.A.” is grappling with the shooting deaths of members of a prominent local family by Phillip Adams who, many say, had been adrift after his N.F.L. career ended.
Pavle Jovanovic, who represented the United States at the 2006 Olympics, is believed to be the first athlete in a sliding sport to be found with a disease caused by repeated brain traumas.
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.
Jackson, 38, a retired N.F.L. wide receiver, was found dead in a Florida hotel room on Monday.
A physical defenseman, he loved hockey enough to be excited at the sight of a new pair of skates or shin guards. He died of the novel coronavirus.