For one thing, the Stanford University research found that gene variants most likely linked with significant disease were the least likely to be accurately identified.
Whole genome sequencing is mostly done for research. But it has far-reaching potential for diagnosing and treating genetic diseases, even in people with no known risks.
A strong genetic risk for breast and ovarian cancer was found in one woman in the study and she had preventive surgery.
The study was published Tuesday in the Journal of the American Medical Association
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