Post-traumatic stress disorder (PTSD) is a mental health condition that can occur after someone experiences or witnesses a traumatic event, such as a natural disaster, serious accident, or violent attack. People with PTSD may have intense feelings of fear, anxiety, or sadness, and they might relive the traumatic experience through flashbacks or nightmares. This can make it difficult for them to feel safe or enjoy everyday life. Symptoms of PTSD can also include avoiding reminders of the trauma, feeling emotionally numb, or having trouble sleeping. It's important for those affected to seek help from a mental health professional, as effective treatments, like therapy and medication, can help them manage their symptoms and regain control of their lives.