Repeated head injuries could reawaken a dormant virus in the brain, triggering the onset of Alzheimer's Disease and dementia, scientists have found. Researchers from Oxford's Institute of Population Ageing,

Multiple blows to the head can more than double the chance of having a neurodegenerative condition - oakstudio22/iStockphoto Head injuries may “wake up” dormant viruses in the brain and trigger dementia,

A groundbreaking study reveals that concussions and repetitive head injuries in sports could trigger latent viruses in the brain, such as HSV-1, leading to Alzheimer's disease. Researchers suggest that early use of antiviral drugs might prevent these effects,