1: Jerusalem Syndrome: It is a mental disorder that affects the tourists of jerusalem. The sufferer of this syndrome believes that they are characters from Bible and are related to Jesus Christ in some way or the other. Once a sufferer of this syndrome an Irish women went to the hospital claiming that she is going to give birth to Jesus Christ even though she was not pregnant. Once an Austrian man requested the chefs of his hotel to allow him to prepare the last supper. Every year around 50 tourists are affected by this syndrome and interestingly the sufferers recover as soon as they leave jerusalem.

2. Stendhal Syndrome: This psychological disorder affects the person who visits the art gallery. They become extremely impressed and overwhelmed after watching beautiful paintings so much that they suddenly starts developing the symptoms such as increased rate of  heart beat they feel confused and dizzy and some starts hallucinating.

Clinical Lycanthropy: This is a mental disorder in which one believes that they have been transformed into an animal mostly wolf. The sufferers of this syndrome starts imitating the animal in which they believe they are transformed to by producing sound like an animal and starts  using their hands as a paw. The first case was reported in 1852 and since then only 26 cases have been reported of which 13 people claimed to be transformed as a wolf. This syndrome is sometimes   mistaken as schizophrenia or psychiatric disorder thus impacting the official data of sufferers of this syndrome.

Cotard delusion: A mental disorder in which the patient believe that he or she has died. They start hallucinating that their body isn't in their control and has started decomposing. Cotard delusion usually occurs after encountering some traumatic accident that forces the sufferer to believe that he or she has died during that accident. The first case of this syndrome was observed in a French woman.

Factitious disorder: The sufferers of this disorder pretends illness. They act of being affected by some disease. In order to make people believe in their fake illness they crosses every limit as meddling with his or her urine sample by introducing a foreign substance , heating the thermometer in order to show fever. In extreme cases sufferers injure themselves. They are well aware of the truth that they are not sick but find themselves helpless as they are not able to understand why are they doing this.