Angelman syndrome is a genetic disorder that results from the absence of a functional copy of the UBE3A gene inherited from the mother. Infants with Angelman syndrome often have feeding problems and exhibit noticeable developmental delays by six to 12 months of age. Other symptoms include seizures, hyperactivity, speech impairment, small head size, sleep disorders, and movement and balance disorders. There is no specific treatment or therapy for Angelman syndrome. Read more: Angelman Syndrome Article
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