Understanding Childhood Trauma and Its Mental Health Impact

April is National Child Abuse Prevention Month — but the effects of childhood trauma do not stay in April. They stay in the body, the nervous system, and the patterns we carry into adulthood.

One of the most important things to understand: more mental health issues are caused by abuse than by genetics.

Types of Childhood Trauma and Their Effects

Physical and Sexual Abuse

These often lead to hyperarousal — a state of always being "on edge" — and Post-Traumatic Stress Disorder (PTSD). The brain learns to stay in survival mode even when the danger has passed.

Emotional Abuse and Verbal Maltreatment

This includes constant criticism, belittling, manipulation, or being made to feel worthless. It can lead to low self-esteem, depression, anxiety, and difficulty trusting others.

Neglect (Physical or Emotional)

Neglect is the most common form of child maltreatment. It often creates a "trauma of omission" — not what was done, but what was never given: safety, warmth, attention, care. This can result in cognitive deficits and difficulty with executive functions like planning and reasoning.

Witnessing Domestic Violence

Children who witness violence at home are "primed" to detect threats. Their visual and emotional processing systems adapt to a world that feels dangerous, making it harder to regulate emotions later.

The Cycle Can End With You

Whatever cycle you may have experienced growing up — it ends with you. Healing is not linear, but it is possible. Recognising what happened is not the same as being defined by it.

If you or someone you know is affected by childhood trauma, speaking with a trusted person, counsellor, or mental health professional is a powerful step.