It's no news that some pathological personalities have a sadistic quality about them. Narcissists will torture with put-downs to keep their ego afloat; antisocial personalities may make people suffer ...

Sadists are those people who take pleasure in the pain that other people experience. Whether onlooker or perpetrator, sadistic individuals enjoy seeing others suffer. Sadists take satisfaction in ...

Where mood disorders can cause temporary or fluctuating changes in mood, personality disorders cause symptoms that remain consistent over time and across a range of situations. For example, bipolar ...

Diagnosing personality disorders in children is controversial due to natural developmental shifts in mood and behavior. When maladaptive traits remain pervasive and persistent, however, a personality ...

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 ...