Topics: Schizophrenia, Psychosis, Dopamine Pages: 3 (751 words) Published: December 6, 2011
Schizophrenia is a brain disease that causes a change in the way people think, their perception, speech and behavior. This disease sadly affects approximately 1% of the population (Lahey 82). Unless the disease is properly treated makes living a normal life impossible. Symptoms range from having delusions to the inability to make logical connections in one’s speech. It is said that a person suffering from schizophrenia is “out of touch with reality” (Lahey 82). The disease makes it hard for a person to maintain social relationships. Even though this is a widely known disease there is not a definitive answer for what causes schizophrenia.

There is evidence that shows that people with schizophrenia have abnormal brains and brain functions. The most popular theories on the cause of it is that people are genetically predisposed to the disease. Other theories include infections, complication before birth that changes the brains of the individual and the person having problems with their immune system. Some complications that can occur can be as simple as the mother becoming dehydrated or coming down with the flu, mostly in the later months of pregnancy would this most likely affect the infant. The theory that says that people that are predisposed to schizophrenia and have some form of complication during pregnancy is called the double strike theory of schizophrenia.

Studies conducted by Sadnoff Mednick an d others goes on to back up this double strike theory of schizophrenia. Mednick’s research team followed of a group of children from birth to adulthood. Some of the children had one parent that was schizophrenic, another had two parents that were, and the third group did not have parents that had the disease. When the children finally grew up Mednick’s team took X rays of the patients brains to see if the ones with the highest predisposition for schizophrenia had any of the signs of an abnormal brain. Also since he was a supporter of the double...
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