A disease is any condition which results in the disorder of a structure or function in a living organism that is not due to any external injury. It may be caused by external factors such as pathogens or by internal dysfunctions, particularly of the immune system, such as an immunodeficiency, or by a hypersensitivity, including allergies and autoimmunity.
Despite of many common diseases there are many unusual diseases , some of them are hard to believe that they actually exist , sometimes people say they are not any kind of diseases but they are because of BLACK MAGIC.
1. Cotard Delusion/Syndrome : is a rare mental illness in which the affected person holds the delusional belief that they are already dead, do not exist, are putrefying, or have lost their blood or internal organs.
2. Capgras Syndrome : is a psychological condition. It's also known as “imposter syndrome” or “Capgras delusion.” People who experience this syndrome will have an irrational belief that someone they know or recognize has been replaced by an imposter.
3. Dissociative Identity Dissorder (DID) : is a severe condition in which two or more distinct identities, or personality states, are present in—and alternately take control of—an individual.
4. Oedipus Complex : in psychoanalytic theory, a desire for sexual involvement with the parent of the opposite sex and a concomitant sense of rivalry with the parent of the same sex; a crucial stage in the normal developmental process. Sigmund Freud introduced the concept in his Interpretation of Dreams (1899).
5. Wendigo Psychosis : is one of the more dramatic mental illnesses. It is characterized by a deep craving for human flesh as food. It's also — possibly — entirely made up.
COTARD DELUSION/SYNDROME
Cotard delusion is a rare mental illness in which the affected person holds the delusional belief that they are already dead, do not exist, are putrefying, or have lost their blood or internal organs. Statistical analysis of a hundred-patient cohort indicates that the denial of self-existence is a symptom present in 69% of the cases of Cotard's syndrome; yet, paradoxically, 55% of the patients present delusions of immortality.
In 1880, the neurologist Jules Cotard described the condition as Le délire des négations ("The Delirium of Negation"), a psychiatric syndrome of varied severity. A mild case is characterized by despair and self-loathing, while a severe case is characterized by intense delusions of negation and chronic psychiatric depression. The case of Mademoiselle X describes a woman who denied the existence of parts of her body and of her need to eat. She said that she was condemned to eternal damnation and therefore could not die a natural death. In the course of suffering "The Delirium of Negation", Mademoiselle X died of starvation.
The Cotard delusion is not mentioned in either the Diagnostic and Statistical Manual of Mental Disorders (DSM) or the tenth edition of the International Statistical Classification of Diseases and Related Health Problems (ICD-10) of the World Health Organization.
Capgras delusion is a psychiatric disorder in which a person holds a delusion that a friend, spouse, parent, or other close family member (or pet) has been replaced by an identical impostor. The Capgras delusion is classified as a delusional misidentification syndrome, a class of delusional beliefs that involves the misidentification of people, places, or objects. It can occur in acute, transient, or chronic forms. Cases in which patients hold the belief that time has been "warped" or "substituted" have also been reported.
The delusion most commonly occurs in individuals diagnosed with paranoid schizophrenia, but has also been seen in brain injury, dementia with Lewy bodies, and other dementia. It presents often in individuals with a neurodegenerative disease, particularly at an older age. It has also been reported as occurring in association with diabetes, hypothyroidism, and migraine attacks. In one isolated case, the Capgras delusion was temporarily induced in a healthy subject by the drug ketamine. It occurs more frequently in females, with a female:male ratio of approximately 3:2.
Treatment generally involves supportive care and counselling. The condition usually persists without treatment. It is believed to affect about 2% of the general population and 3% of those admitted to hospital with mental health problems in Europe and North America. DID is diagnosed about six times more often in females than males. The number of cases increased significantly in the latter half of the 20th century, along with the number of identities claimed by those affected.
DID is controversial both within psychiatry and the legal system. In court cases it has been used as a rarely successful form of the insanity defense. It is unclear if increased rates of the disorder are due to better recognized or sociocultural factors such as media portrayals. A large proportion of diagnoses is clustered around a small number of clinicians which supports the hypothesis that DID may be therapist-induced. The typical presenting symptoms in different regions of the world may also vary depending on how the disorder is depicted by the media.
Freud deprecated the term "Electra complex", which was introduced by Carl Gustav Jung in 1913 in regard to the Oedipus complex manifested in young girls. Freud further proposed that the Oedipus complex, which originally refers to the sexual desire of a son for his mother, is a desire for the parent in both males and females, and that boys and girls experience the complex differently: boys in a form of castration anxiety, girls in a form of penis envy.
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