A firm hired by the National Institutes of Health will work with participants in a research programme that aims to sequence 1 million genomes

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In 2010, Dr. Pamela Munster mailed her saliva to 23andMe, a relatively new DNA testing company, and later opted in for a BRCA test. As an oncologist, she knew a mutation of this gene would put her at high risk for breast and ovarian cancer. She was relieved by the negative result

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Will it be useful? As more people get genetic testing to assess their risk of getting cancers and other serious conditions, diabetes has been almost entirely left out — largely because of the difficulty of developing a useful test

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How Anne Wojcicki led her company from the brink of failure to scientific pre-eminence

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One aspect of the downfall of Theranos is the blood-testing company’s leveraging of the Do-It-Yourself ethos to promote its product. Theranos provides consumers with a menu of more than 200 low-cost diagnostic blood tests for an array of drugs, ailments, deficiencies and diseases. It’s legal to order blood tests without consulting a doctor in about two dozen states. But should you?

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