Paranoid personality disorder (PPD) is a mental health condition marked by a pattern of distrust and suspicion of others without adequate reason to be suspicious.| Cleveland Clinic
Narcissistic personality disorder is more than self-centered behavior. Learn how to recognize this mental health condition.| Cleveland Clinic
A personality disorder is a mental health condition that involves long-lasting, disruptive patterns of thinking, behavior, mood and relating to others.| Cleveland Clinic