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the claim

Concussions increase the risk of developing brain tumors.

the verdict
INSUFFICIENT LEANING
Recorded sources
5 sources for · 0 against

Counts group repeated records of the same source within each side. They do not measure evidence strength or source independence.

Is it true that Concussions increase the risk of developing brain tumors?

Unclear. One cohort study reports that a history of moderate to severe traumatic brain injury is associated with later malignant brain tumor risk, but it does not isolate concussion. The remaining relevant items link concussion to dementia, CTE, or psychosis rather than to brain tumors, so they only partially address the claim.

Verdict: PARTIAL LEAN · 5 sources for, 0 against · Last checked

The private library was unavailable for some searches in this check. Missing library results are not evidence against the claim.

Evidence for · 5
Traumatic Brain Injury and Risk of Malignant Brain Tumors in Civilian Populations -
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Traumatic Brain Injury and Risk of Malignant Brain Tumors in Civilian Populations - PMC Lock. (n.d.). pmc.ncbi.nlm.nih.gov. https://doi.org/10.1001/jamanetworkopen.2025.28850

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More for · 4
Dementia Resulting From Traumatic Brain Injury
2012
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Dementia Resulting From Traumatic Brain Injury. (2012). doi.org. https://doi.org/10.1001/archneurol.2011.3747

The Impact of Diet and Traumatic Brain Injury on Long-Term Neurological Health
2025
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The Impact of Diet and Traumatic Brain Injury on Long-Term Neurological Health. (2025). doi.org. https://doi.org/10.47363/jcbr/icbr2025/2025(7)13

Aberrant hippocampal neurogenesis contributes to learning and memory deficits in a mouse model of repetitive mild traumatic brain injury
2019
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Aberrant hippocampal neurogenesis contributes to learning and memory deficits in a mouse model of repetitive mild traumatic brain injury. (2019). doi.org. https://doi.org/10.1016/j.nbd.2018.04.003

Developing an Evidence-based Approach to Diagnose and Treat Adults With a History of Concussion
2024
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Developing an Evidence-based Approach to Diagnose and Treat Adults With a History of Concussion. (2024). clinicaltrials.gov. https://clinicaltrials.gov/study/NCT07025317

also asked as
  • Can concussions lead to brain tumors?
  • Is there a link between having a concussion and getting brain tumors?
  • Do brain tumors develop more often after a concussion?
  • Are concussions known to cause brain tumors later in life?
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