Nature Medicine | Spoonful of Medicine

Scaled-up study of soldiers points to doubled risk of dementia from head injury

PARIS — A massive review of the medical records of nearly 300,000 US veterans lends weight to the notion that traumatic brain injury might contribute to the risk of cognitive impairment later in life. Neurologist Kristine Yaffe of the University of California–San Francisco and her colleagues reviewed seven years’ worth of data from the files of the former military troops, and found that these types of head injuries were linked to a doubled risk of dementia. Yaffe, who presented the findings here today at the Alzheimer’s Association International Conference, says that it’s the largest analysis of its kind to date. 

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