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flag Boston University study confirms CTE from head injuries causes dementia.

flag Boston University researchers have found that chronic traumatic encephalopathy (CTE) is a direct cause of dementia, according to new study results released on January 31, 2026. flag The findings strengthen the link between repetitive brain trauma, such as that experienced in contact sports, and the development of dementia later in life. flag The study analyzed brain tissue from individuals with a history of head injuries and confirmed CTE as a contributing factor in multiple dementia cases.

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