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Large study finds link between brain injuries at a young age and dementia later in life

12/04/2018

Large study finds link between brain injuries at a young age and dementia later in life

People who suffer brain injuries have an increased risk of developing dementia in later life, a new study has found.


The large study of 2.8 million people found individuals who had at least one traumatic brain injury were 24% more likely to develop dementia than those who hadn’t.


Interestingly, the risk was found to be greatest in people who had the brain injury while still in their 20s. These individuals were found to be 63% more likely to suffer from dementia in later life.


However, despite the findings of the study, independent experts have said that other lifestyle factors, such as smoking and a lack of exercise, are actually more important.


According to Dr Doug Brown, chief policy and research officer at Alzheimer's Society, these risk factors “are much easier for all of us to do something about".


Nevertheless, the research does show a correlation between brain injuries and dementia.


Jesse Fann, professor of psychiatry and behavioural sciences at the University of Washington School of Medicine in Seattle, said: "Our analysis raises some very important issues, in particular that efforts to prevent traumatic brain injury, especially in younger people, may be inadequate considering the huge and growing burden of dementia and the prevalence of TBI worldwide."


TBI is the term used to describe a concussion.

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