What are the causes of mental retardness?
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oxygen deprivation and premature delivery and disorders like Tay Sachs disease chromosomes abnormalities
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trauma before birth, such as an infection or exposure to alcohol, drugs, or other toxins.
trauma during birth, such as oxygen deprivation or premature delivery.
inherited disorders, such as phenylketonuria (PKU) or Tay-Sachs disease.
chromosome abnormalities, such as Down syndrome.
Explanation:
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