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 ...

Psychopaths reveal their tendencies with common words. Oct. 18, 2011 — -- Is it likely that a potential psychopathic killer will telegraph his intentions in advance by the basic words he uses to ...

One of the most enduring ideas about crime — and violence more broadly — is that a lot of it is committed by people we call “psychopaths.” If you didn’t grow up with procedurals like “Law & Order: SVU ...

A new study has found that psychopaths show structural changes in particular areas of the brain that deal with things like impulse control and emotional regulation. This improved understanding may ...

Articles about badly behaved people and how to spot them are common. You don't have to Google or scroll too much to find headlines such as 7 signs your boss is a psychopath or How to avoid the ...

Having a partner high in psychopathy can carry a number of risks. But a new study shows one surprising way that the benefits ...

As it turns out, our personalities are, in fact, shaped by the environments we grow up in, and Nevada, New York, South Dakota ...

In 1885, an English psychiatrist published the case of a man called W.B., who had spent much of his life cycling through jail and asylums. W.B. was “a quiet and useful man,” the doctor wrote in The ...