Autism
Autism came about in the early 1900’s when Eugen Bleuler, a Swiss psychiatrist, first used this term.   He used autism to refer to schizophrenia symptoms.   Than in the 1940’s Leo Kanner used the term autism to describe children that have social and emotional problems.   When Kanner did his research, he was studying children that had taken themselves away from human contact as early as age one.   Autism describes conditions in which a person isolates oneself.  
There is no definite cause for autism, but experts say that it could be caused by a combination of genetic and environmental factors.   There are two theories that connect vaccines and autism.   One theory is that the Mumps-Measles-Rubella vaccine can cause intestinal problems which could lead to autism.   The second theory that a mercury-based preservative called thimerosal, used in vaccines, could also is linked to autism.   There are many studies that show families with autistic members are most likely to have children with autism.   Some parents think that they are at fault for their child developing autism but that is not the case.   Bad parenting cannot cause autism; this was just a misinterpretation of this disease.   Researchers at the University of Pittsburgh are trying to figure out if autism is caused by atypical brain development.   They have found that autistic children have larger brains and their brains process information differently.   Immune Deficiency problems have some evidence connected to autism.   Some food allergies have been seen to contribute to some autistic symptoms.   So basically there is a combination of different factors that contribute to the cause of autism.  
There are many different symptoms for autism, but everyone with autism expresses these symptoms in their own way.   All persons with autism have abnormal functioning in three main areas; social interaction, verbal and nonverbal communication, and the presence of repetitive and restricted patterns of behavior, interests,... [continues]

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