Risk factorsBy Mayo Clinic staff
Personality is shaped both by inherited tendencies and environmental factors, as well as experiences during childhood. Some factors related to personality development can increase the risk of developing borderline personality disorder. These include:
- Hereditary predisposition. You may be at a higher risk if a close family member — your mother, father, brother or sister — has the same or a similar disorder, particularly a mood or anxiety disorder.
- Childhood abuse. Many people with the disorder report being sexually or physically abused during childhood.
- Neglect. Some people with the disorder describe severe deprivation, neglect and abandonment during childhood.
Also, borderline personality disorder is diagnosed more often in young adults and adult women than in men.
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