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A genetic predisposition on its own, without superimposed environmental risk factors, is not thought to give rise to schizophrenia. [ 4 ] [ 6 ] Environmental risk factors are many, and include pregnancy complications , prenatal stress and nutrition , and adverse childhood experiences .
The causes of schizophrenia may include genetic and environmental factors. [7] Genetic factors include a variety of common and rare genetic variants . [ 21 ] Possible environmental factors include being raised in a city , childhood adversity, cannabis use during adolescence, infections, the age of a person's mother or father , and poor ...
The causes of schizophrenia that underlie the development of schizophrenia, a psychiatric disorder, are complex and not clearly understood.A number of hypotheses including the dopamine hypothesis, and the glutamate hypothesis have been put forward in an attempt to explain the link between altered brain function and the symptoms and development of schizophrenia.
The basic principle behind psychiatric genetics is that genetic polymorphisms (as indicated by linkage to e.g. a single nucleotide polymorphism) are part of the causation of psychiatric disorders. [1] Psychiatric genetics is a somewhat new name for the old question, "Are behavioral and psychological conditions and deviations inherited?".
According to their complete research, they hypothesized that schizophrenia represented a genetic polymorphism with both advantageous and disadvantageous characteristics. [10] Moreover, the authors inferred that reduced fertility in schizophrenic patients was because of higher resistance to harmful factors, including shock, allergies, and ...
Risk factors for mental illness include psychological trauma, adverse childhood experiences, genetic predisposition, and personality traits. [7] [8] Correlations between mental disorders and substance use are also found to have a two way relationship, in that substance use can lead to the development of mental disorders and having mental disorders can lead to substance use/abuse.
Schizophrenia is a debilitating and often misunderstood disorder that affects up to 1% of the world's population. [1] Although schizophrenia is a heavily studied disorder, it has remained largely impervious to scientific understanding; epigenetics offers a new avenue for research, understanding, and treatment.
Schizophrenia is caused by a combination of genetic and environmental factors. [6] Research illustrates that schizophrenia is hereditary and is more likely to strike those who carry particular genes. [9] It is believed that those who are susceptible to the disorder are affected by something in their environment.
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