More on the Association Between Brain Injury and Subsequent Dementia (BBC News / Lancet Psychiatry)

Summary

A large-scale statistical study, based on Danish data, indicates that persons who suffer traumatic brain injury (TBI) tend to be 24% more likely to get dementia later on. The greatest risk appears to be for people who receive TBI aged between 20-29 years of age.

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Reference

Therrien, A (2018). Brain injuries increase dementia risk, study finds. London: BBC Health News, April 11^th 2018.

This relates to:

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Reference

Fann, JR. Ribe, AR. [and] Pedersen, HS. [et al] (2018). Long-term risk of dementia among people with traumatic brain injury in Denmark: a population-based observational cohort study. April 10^th 2018. The Lancet Psychiatry. [Epub ahead of print].

An NHS Choices Behind the Headlines critical appraisal offers a sense of perspective.

“the absolute size of this risk increase is very small”.

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Reference

Brain injury may increase dementia risk. London: NHS Choices; Behind the Headlines, April 11^th 2018.