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Blocking seizures after a head injury could slow or prevent the onset of dementia, according to new research by University of Alberta biologists. Traumatic brain injury is a major risk factor for dementia, but the reason this is the case has remained mysterious, said Ted Allison, co-author and professor in the Department of Biological Sciences in the Faculty of Science. Through this research, we have discovered one important way they are linked namely, post-injury seizures. There is currently no treatment for the long-term effects of traumatic brain injury, which includes developing dementia, added lead author Hadeel Alyenbaawi, who recently completed her PhD dissertation on this topic in the Department of Medical Genetics in the Faculty of Medicine & Dentistry.