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Unformatted text preview: Schizophrenia (literally meaning “split mind”) is a psychological disorder affecting only about 1% of the world population. Although there is no specific cause, it is due to a combination of factors. Two important factors that contribute to schizophrenia are the biological and environmental factors. Research shows that schizophrenia has a gene that in some cases can estimate as high as 80% in hereditability. If, for example, an identical twin is diagnosed with schizophrenia, there is more than a 28% chance that the other twin will be diagnosed as schizophrenic as well due to the heritability of a gene on top of environmental contributions (i.e. living in the same socioeconomic status). Although as to date, there is no known specific chromosome that can cause schizophrenia, strong evidence shows it may have something to do with the 13 th and 6 th . Some environmental factors also play an important role, such as prenatal difficulties, random stressors, imbalance of chemicals (i.e. neurotransmitters or amino acids), and difficulties, random stressors, imbalance of chemicals (i....
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