The leading known preventable environmental cause of intellectual disability is consuming alcohol during pregnancy.

Question

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Consuming alcohol during pregnancy can lead to a condition called fetal alcohol syndrome (FAS), which is the leading known preventable environmental cause of intellectual disability. FAS can also cause physical abnormalities and behavioral problems in children. It is important for pregnant women to avoid alcohol consumption to prevent FAS and other alcohol-related harm to the developing fetus.

The Leading Known Preventable Environmental Cause of Intellectual Disability Is