New research published in Current Psychology provides evidence linking an overactive thyroid gland to specific personality ...

Lillyth Quillan knew almost immediately that something was wrong with her baby. At around eight months old with eight sharp new teeth, he began deliberately biting her breast as she fed him, then ...

A study conducted on university students found that individuals with higher levels of primary psychopathic traits tend to ...

Psychopaths aren't just found in prisons, true-crime documentaries or horror films; some walk among us. In fact, you probably know one. "Everybody knows somebody with psychopathy," Abigail Marsh, a ...

Psychopaths leave a trail of confusion and division behind them wherever they go, a by-product of their deceptions. They often face no consequences for their actions.

Forbes contributors publish independent expert analyses and insights. I write about relationships, personality, and everyday psychology. The terms “psychopath” and “sociopath” are often used ...

Psychopaths have different brain structures to the rest of the population, a study has revealed, helping shed new light on one corner of the "dark personality" triad. Diagnosis with psychopathy is ...

On any given day, millions of Americans curl up to watch their favorite crime shows. Whether it is “FBI” on CBS, “Dexter” on Showtime, “Mindhunter” on Netflix, “Killing Eve” on BBC, reruns of “Law & ...

Falling in love with a psychopath can feel like a dream come true, but it can quickly become a nightmare. Individuals with narcissistic personality disorder and psychopathy tend to rotate through ...