typically appears during the first three years of life. It impacts the normal development of

the brain in the areas of social interaction and communication skills. Children and adults

with autism typically have difficulties in verbal and non-verbal communication, and

social interactions. The disorder makes it hard for them to communicate with others and

relate to the outside world. In some cases, aggressive and/or self-injurious behavior may

be present. Persons with autism may exhibit repeated body movements (hand flapping,

rocking), unusual responses to people or attachments to objects and resistance to changes

in routines. Individuals may also experience sensitivities in the five senses of sight,

Unfortunately, their is very little known about the cause(s) of autism. One theory,

according to the Pfeiffer Treatment Center, is that autism may be caused by a defect in

metal metobolism that impairs the deve

that show a substantially higher rate in identical twins--so much so that heritability is over

now show that the vaccine does not directly cause autism. But it still may in fact

in autism," according to doctor Walsh.

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