Traumatic brain injury raises dementia risk, large study suggestsBMJ 2018; 361 doi: https://doi.org/10.1136/bmj.k1597 (Published 11 April 2018) Cite this as: BMJ 2018;361:k1597
- Ingrid Torjesen
People who have sustained a traumatic brain injury have a higher risk of developing dementia and Alzheimer’s disease, a nationwide population cohort study suggests.
Published in the Lancet Psychiatry,1 the study is one of the first to have a sufficient sample size and follow-up time to assess the effects of traumatic brain injury.
It includes data on 2 794 852 people living in Denmark on 1 January 1995 who were aged at least 50 at some point in the follow-up period (1999-2013). Registries were used to identify people who had sustained a …