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A member asked:
Can you tell me about williams disease and christmas disease what are they?
A doctor has provided 1 answer
Genetic diseases: Williams' is caused by loss of a group of genes on one of the chromosomes, and gives a classic clinical picture. Affected youngsters have a typical appearance, some developmental disabilities, and reportedly outgoing, pleasant personalities. Christmas disease is hemophilia B, which we now know affected the Russian royal family. If you read online, be discerning and choose reliable sites.
Answered 7/21/2017
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