Witnessing violence can leave lasting psychological scars, with 64% of American adults exposed to gun violence.

Trauma therapists say talking about the experience immediately and journaling daily helps prevent long-term post-traumatic stress disorder.

Effective treatments like EMDR therapy can help survivors process traumatic memories and reduce distressing symptoms.

AI-generated summary was reviewed by a CNN editor.

Editor’s note: If you or someone you know is struggling with mental health, help is available. Dial or text 988 or visit 988lifeline.org for free and confidential support.