FDA chief’s long-promised opioid review faces skepticism

As U.S. opioid deaths mounted in 2016, the incoming head of the Food and Drug Administration promised a “sweeping review” of prescription painkillers in hopes of reversing the worst overdose epidemic in American history. Dr. Robert Califf even personally commissioned a report from the nation’s top medical advisers that recommended reforms, including potentially removing some […]

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Bacterial bullseye: In rare feat, researchers decipher how one gut bacterium influences immunity

From immunity to metabolism to mental health, it seems like the gut microbiome has been linked to every aspect of human health and disease. But with hundreds of bacterial species populating our gastrointestinal tract, it’s a daunting task to pinpoint which molecules made by which bacteria affect which biological processes—and how they do so. “Microbiome […]

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