Part of a series on understanding, identifying, and responding to childhood trauma. Looks at significant childhood events that can cause traumatic reactions: loss of a parent or sibling, natural disasters, violence, divorce, and extreme school violence. Shows that, if not addressed, these events will negatively affect normal and healthy childhood development. Presents typical effects of trauma: alarm state, reexperiencing, emotional memory, avoidance, and dissociation. Demonstrates how children can heal from a significant childhood traumatic event.