Childhood adversity affects how the brain structurally develops with an increased risk of internalisation of thoughts and feelings.

In adult life there is increased risk of depression.

Meditation positively alters brain structure as neuroplasticity.

http://www.healio.com/psychiatry/pediatrics/news/online/%7B8c75854b-4b2b-4ca1-8201-00d9fd9ea6c5%7D/childhood-adversity-increases-risk-for-depression-anxiety-symptoms-in-young-men