Educational Content: This article is for informational purposes only and does not constitute medical advice. Always consult a healthcare provider for diagnosis and treatment.
Definition of Borderline personality disorder
Medically reviewed by Dr. Otari Nergadze, Neurosurgeon | Updated: January 2026
Borderline personality disorder: A personality type characterized by difficulty forming and keeping stable relationships, highly emotional or aggressive behavior, impulsivity, and rapid shifts in values, self-image, mood, and behavior.
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