Childhood trauma such as neglectful parenting causes physical scarring to the brain and increases the risk of severe depression, a new study has found.

For the first time, scientists have linked changes in the structure of the brain both to traumatic early-years experiences and poor mental health in later life.

Published in the Lancet, the study found a “significant” link between adults who had experienced maltreatment as children with a smaller insular cortex, part of the brain believed to help regulate emotion.

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