For more than a generation, the idea that an individually tailored health care management plan could be designed on the basis of a person's genetic code has sparked many imaginations. In 1991, Dr. Walter Gilbert, a Nobel laureate who developed DNA sequencing methods, suggested that, “By around 2020, the cost of sequencing will have dropped low enough to allow sequencing an individual's entire DNA. People will come back from a physical examination with their own DNA sequence on a compact disc or its 2020 equivalent” (1). From both a technology and a cost perspective, some are ready to begin to ...

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