FD - Ellee Lazarov Jewish Genetic Diseases 2/8/09 Familial...

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Ellee Lazarov Jewish Genetic Diseases 2/8/09 Familial Dysautonomia is a genetic disorder that affects the development and survival of certain nerve cells. Familial Dysautonomia affects the Ashkenazi Jewish population. About 1 in 30 Ashkenazi Jews carry the FD gene, and approximately 1 in 3600 individuals are affected. The disorder disturbs cells in the autonomic nervous system, which controls involuntary actions such as digestion, breathing, production of tears, and the regulation of blood pressure and body temperature. It also affects the sensory nervous system, which controls activities related to the senses, such as taste and the perception of pain, heat, and cold. Problems related to this disorder first appear during infancy. Early signs and symptoms include poor muscle tone (hypotonia), feeding difficulties, poor growth, lack of tears, frequent lung infections, and difficulty maintaining body temperature. Older infants and young children with Familial Dysautonomia may hold their
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FD - Ellee Lazarov Jewish Genetic Diseases 2/8/09 Familial...

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