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Researchers at AUT have found that suffering concussion can increase the chances of later violent criminal behaviour - even a relatively mild concussion.
The findings, which are being published today in the journal Frontiers in Psychiatry, are based on data from 6000 New Zealanders who suffered concussion.
Co-author Alice Theadom, a professor of neuroscience and the director of the Traumatic Brain Injury network, spoke with Ingrid Hipkiss