We do not provide personalized medical advice to individuals about their condition or treatment, although we encourage to you read our guide on Finding Reliable Health Information Online. This site's primary purpose is to help the public better understand genetics, genomics and diagnosed genetic disorders. The resources on this site should NOT be used as a substitute for professional medical care or advice, so we urge you to work with your medical care providers for answers to your personal health questions. Also, we do not rate or provide referrals to physicians or health care facilities.
If you are requesting permission to use an image or other digital content from this web site, please read our Copyright statement linked at the bottom of this page. In most cases you are free to re-use whatever you want with the request that we be given an appropriate acknowledgement such as: "Courtesy: National Human Genome Research Institute." with a link back to our homepage.
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Last Reviewed: October 20, 2010