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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. An environmental risk factor may act alone or in combination with ...
Also, maternal-fetal factors can account for this increased risk. Many factors including maternal vitamin D deficiency while being pregnant and laboring during the winter months and lower fetal body temperatures being present during the colder months fall under the maternal-fetal chronobiological dysfunction hypothesis. [ 23 ]
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.
A possible link between the urban environment and pollution has been suggested to be the cause of the elevated risk of schizophrenia. [113] Other risk factors include social isolation, immigration related to social adversity and racial discrimination, family dysfunction, unemployment, and poor housing conditions.
Print/export Download as PDF; Printable version; In other projects Wikimedia Commons; ... Religion and schizophrenia; Risk factors of schizophrenia; S.
Schizophrenia also affects the attendance to cancer screening which is seen as one of the factors leading to shorter life expectancy. For example, women with schizophrenia are half as likely to attend breast cancer screening compared to the general population.
Those affected by schizophrenia are also more inclined to develop numerous physiological and psychological conditions. Most notably, they experience higher rates of substance abuse and suicidality; where more than half of people with schizophrenia have reported suicide ideation or attempts, and nearly half experience substance abuse or dependence. [19]
The epigenetics of schizophrenia is the study of how inherited epigenetic changes are regulated and modified by the environment and external factors and how these changes influence the onset and development of, and vulnerability to, schizophrenia. Epigenetics concerns the heritability of those changes, too.
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related to: risk factors for schizophrenia pdf printable