Final answer:
Post-traumatic stress disorder (PTSD) is an anxiety disorder that can result from severe psychological trauma caused by damaging events. It is characterized by symptoms like intrusive memories and avoidance. Seeking counseling and medical treatment are important for managing PTSD.
Step-by-step explanation:
Post-traumatic stress disorder (PTSD) is an anxiety disorder that can result from experiencing severe psychological trauma. It is not caused by divorce, hereditary problems, or poor nutrition, but rather by damaging events such as military combat, physical assault, natural disasters, or car accidents. PTSD is characterized by symptoms like intrusive memories, avoidance, negative emotional states, and hyperarousal. Seeking counseling and medical treatment are important for managing this mental health condition.