Causes Of Mental Retardation

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Causes Of Mental Retardation

Blake Zuckerman
3-25-00
Period 6 English
Causes of Mental Retardation
In order to be considered mentally retarded, you must have an IQ below 75, have significant limitations in two or more adaptive skill areas, and the condition is present from childhood (defined as age 18 or younger). People can be mentally retarded as all different levels. About 78% of mentally retarded people will only be a little slower than the average person, while in others it is very apparent (Arc of New Jersey). There are many causes of mental retardation.
One cause of mental retardation is of genetic conditions. That includes; abnormal gene mixes from parents, errors when genes combine, overexposure to x-rays, and many more reasons. More than 500 genetic diseases are associated with mental retardation. Down Syndrome is an example of a chromosomal disorder (Mental Retardation Issues). Chromosomal disorders occur every once in a while, and are caused by too many or too few chromosomes in the restructure of the chromosomes (The Arc of New Jersey).
Another cause is problems during pregnancy. It could happen if the mother drinks or does drugs while pregnant with the baby. Other risks incl...

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