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the claim
A concussion can cause permanent brain damage in the people who sustain it.
the verdict
CONTESTED PARTIAL
Recorded sources
6 sources for · 1 against
Is it true that a concussion can cause permanent brain damage in the people who sustain it?
Partly. Several sources indicate concussion or mild traumatic brain injury can cause permanent disability or lasting brain changes in some patients, though one clinical source states a single concussion usually does not cause permanent brain damage while multiple concussions can. The evidence covers risk and possibility rather than a settled certainty that any concussion causes permanent damage.
Verdict: CONTESTED PARTIAL · 6 sources for, 1 against · Last checked
Evidence for · 6
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M, R. & SS, N. (2026). Pediatric Mild Traumatic Brain Injury and Concussion: Modern Pathophysiological Insights, Diagnostic Advances, and Active Management Protocols.. doi.org. https://doi.org/10.3390/brainsci16090998
Evidence against · 1
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Concussion: What It Is, Symptoms, Causes & Treatments. (n.d.). my.clevelandclinic.org. https://my.clevelandclinic.org/health/diseases/15038-concussion
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More for · 5
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Husain, A. (2024). A Scoping Review on Bolstering Concussion Knowledge in Medical Education. eric.ed.gov. https://doi.org/10.1007/s44217-024-00191-x
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Y, C., J, H., WT, S., R, M., & BA, M. (2026). Diffusion MRI of white matter alterations in chronic traumatic brain injury: a systematic review and meta-analysis.. doi.org. https://doi.org/10.1016/j.nicl.2026.104024
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T., K. L. (2010). Concussion in High School Sports: Overall Estimate of Occurrence Is Not Available, but Key State Laws and Nationwide Guidelines Address Injury Management. Testimony before the Committee on Education and Labor, House of Representatives. GAO-10-569T. eric.ed.gov. https://eric.ed.gov/?id=ED509869
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Brain disorders sourcebook : basic consumer health information about acquired and traumatic brain injuries, brain tumors, cerebral palsy and other genetic and congenital brain disorders, infections of the brain, epilepsy, and degenerative neurological disorders such as dementia, huntington disease, and amyotrophic lateral sclerosis (ALS) : along with information on brain structure and function, treatment and rehabilitation options, a glossary of terms related to brain disorders, and a directory. (2010). archive.org. https://archive.org/details/braindisordersso0000unse
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The Mission Connect Mild TBI Translational Research Consortium's Integrated Clinical Protocol. (2010). clinicaltrials.gov. https://clinicaltrials.gov/study/NCT01013870
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