Anencephaly is a neural tube defect that prevents abnormal development of the brain and bones of the skull, and are missing large areas of the brain; some may have and incomplete skull. Ancecephaly affects the thinking, hearing, vision, emotion, and coordination areas of the brain. A combination of genetic and environmental factors are believed to to cause this condition. There is no treatment for anencephaly. Read more: Anencephaly Article
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