The exact cause of personality disorders is unclear. However, genetics, neurological differences, and environmental factors may contribute to the development of these complex mental health conditions.

Source: Flickr, "Straight Jacket" by PhotoAteller, CC by 2.0 In my post Public Faces Vs. Private Thoughts: the Actor's Paradox, I wrote that patients with personality disorders are very adept at ...

The study of human personality or "character" (from the Greek charaktêr, the mark impressed upon a coin) dates back at least to antiquity. In his Characters, Tyrtamus (371-287 B.C.) — nicknamed ...

Rates of bipolar disorder diagnoses have been rising for decades, causing concern among experts that the condition is ...

BPD causes symptoms like emotional and relationship instability as well as higher anxiety levels. Insurance coverage for treatment may vary, requiring you to check your specific plan. Borderline ...

Jocelyn Solis-Moreira is a New York-based science journalist whose work has appeared in Health, Live Science, and Discover Magazine, among other publications. She holds a master's degree in psychology ...

Genetics is just one of several factors thought to influence personality disorder development. Life experiences, family dynamics, coping mechanisms, and social learning may all be contributing factors ...

Medically reviewed by Elle Markman, PsyD, MPH Key Takeaways BPD affects mood, relationships, and how people see ...

Myths about DID paint it as a rare, untreatable condition that involves extreme personality changes. In reality, people with DID switch identities because they don't have a single unified identity.