Paranoia is usually not recognized, and its sufferers especially men are ridiculed and taken advantage of because they are expected to behave as though they were able to reason freely, says psychiatrist Kantor. He has written many guides for therapists and patients to various mental disorders, and h

Politicians who engage in negative campaigning, spouses who beat or kill their partners, people in road rage incidents are all among the possibly paranoid, as are students who shoot their schoolmates and teachers or sacked workers who return and shoot their former colleagues. Recognizing and treating paranoid behaviours can prevent or reduce antisocial activity and violence against individuals and society.