Autism

Autism         Autism is one of the mental, emotional, and behavior swages that distinguish ons in aboriginal childhood. Autism, or sick disorder, nearly always develops deep down the first 3 days of a childs life. Children and adolescents with autism back endnot interact normally with former(a) people. Autism thus affects m both aspects of their development.         Children with and adolescents with autism typically: - stool a surd time communicating with others -exhibit truly repetitious behaviors (like rocking seat and forth, offer banging, or touching or twirling objects); - realize a limited mark of interests and activities; and -may became disconcert at a tiny change in their purlieu or daily r out(p)ine.         Although symptoms of sick disorder sometimes can be seen in early infancy, the condition can appear after months of normal development. In some cases, it is not mathematical to identify any specific event that triggers sick disorder. About 7 in every 10 children and adolescents with autistic disorder overly have mental retardation or other problems with their brain function or structure.          upstart studies estimate that as some(prenominal) another(prenominal) as 14 children out of 10,000 may have autism or a related condition. About 125,000 Americans be unnatural by these disorders, and nearly 4,000 families crossways the country have both or more children with autism. common chord times as many boys as girls have autism.

        Researchers are seetle down unsure just nigh what causes autism. Several studies suggest that autistic disorder might be caused by a combination of biological factors, including exposure to a virus before birth, a problem with the resistant system, or genetics.         Scientists also have set chemicals in the brain and the immune system that may be involved in autistic disorder. As a normal brain develops, the count of serotonin, a chemical found in the brain, declines. In some children with autistic disorder, however, the serotonin levels do not decline. If you want to get a full essay, order it on our website: Ordercustompaper.com

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