1、? Major life events, such as major traffic accidents; Sudden death of relatives, especially spouses or children; Attacked by gangsters or robbed of family property, etc.
2. Major natural disasters, such as strong earthquakes; Extraordinary flash floods; Large-scale fires and other injuries that threaten life safety.
3. In connection with the war, when the warring parties engage in fierce fighting, some soldiers in the fighting may get sick for fear of being shelled, bombed or even hand-to-hand combat.
4、? In isolation, they are put into concentration camps and tortured and abused. Some of them may have mental disorders, and mental disorders in detention are more common. All kinds of traumatic stressors are undoubtedly the key to the onset of ASD, but in fact, not most people under abnormal pressure will have mental disorders, only a few people will have mental disorders, which shows that there are certain differences in individual's ability to cope with stress.
5. Whether the stress factor causes disease is related to the individual's health status and the severity of inner conflict, in addition to the characteristics and degree of mental stimulation itself. Health conditions such as chronic physical diseases, menstrual period, puerperium, fatigue, etc. The internal conflicts are related to the patients' psychological and social background, such as education, hobbies, wishes and values. People with family history and personal susceptibility to mental illness are more likely to suffer from this disease when they are strongly stimulated.
To sum up, sudden and unusual life events and disasters are the direct cause of the disease, and they are unbearable traumatic experiences for individuals.