Description

A person who suffers from 'paranoia' has the constantly present idea that he is being followed. He's anxious and thinks every event is suspicious. These people can't stand criticism and think there is a plot against them. This disorder is similar the paranoid type of schizophrenia.

Normal

When you are alone on the street at night, you might have the idea that you are being followed sometimes, although there is no one there.

Abnormal

People with this disorder not only think that they are being followed at night. They think it all the time. They don't trust other people, even their own family members are suspicious.