Against doctors’ recommendations, some pregnant women refuse ultrasounds

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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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Someone questioned his Japanese ancestry. So Kim, 34, took out his phone and consulted the 23andMe website. That’s when he discovered his ethnic identity had changed. The site that once told him he was about 40% Japanese now pegged that figure at 5%. He was, in an instant, fully Korean again

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Data from clinical trials have long been locked away, some in this principal investigator’s computer bank, some in that pharmaceutical company’s cloud. For years we have been talking about opening up those vaults and freeing these data. The key has finally turned

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Most of what we do — the websites we visit, the places we go, the TV shows we watch, the products we buy — has become fair game for advertisers. Now, thanks to internet-connected devices in the home like smart thermometers, ads we see may be determined by something even more personal: our health

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Julia Brody writes, “My lab has been doing that for years.”

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Researchers are finding more and more that online misinformation fuels the spread of diseases like tooth decay, Ebola and measles

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From the Mayo Clinic to Harvard, sources don’t always get the facts right about preeclampsia. Reached by ProPublica, some are making needed corrections

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