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Traumatic brain injury (TBI) is a leading cause of death and disability. Older adults are more likely than younger individuals to sustain TBIs and less likely to survive them. TBI has been called the “silent epidemic,” and older adults are the “silent population” within this epidemic. This study evaluates whether indicators of preinjury health and functioning are associated with risk of incident traumatic brain injury (TBI) with loss of consciousness (LOC) and to evaluate health‐related factors associated with mortality in individuals with incident TBI.
In this cohort study of more than 350 000 veterans, even mild TBI without LOC was associated with more than a 2-fold increase in the risk of dementia diagnosis.
A Harvard Medical School study published in Nature Communications shows a molecular relationship between TBI and CTE but also a possible treatment mechanism — just not one that can be used to treat humans quite yet.