This informational learning module is dedicated to post-traumatic stress disorder (PTSD) - a condition that can develop after a person has experienced traumatic events. In clear and accessible language, the module explains: what PTSD is what signs and symptoms may appear how to recognize when someone is experiencing the effects of severe psychological trauma why strong emotional reactions can occur after trauma Sometimes people find themselves in situations where someone nearby suddenly starts shouting, panicking, becoming extremely anxious, or unable to calm down. In such moments, those around them often do not understand what is happening or how to respond appropriately. In this module, you will learn: how to recognize the signs of PTSD how to support someone after trauma how to talk to a person who is experiencing intense stress how to respond safely if someone is in a state of panic or emotional distress The material is designed for ordinary people - family members, friends, colleagues, and anyone who may find themselves near a person coping with the effects of traumatic experiences. The module helps you better understand what a person may be going through, avoid common mistakes in communication, and respond calmly and safely in challenging situations.