Zolgensma, which treats a rare genetic disorder known as spinal muscular atrophy, or S.M.A., was for a time the world’s most expensive treatment. It has become a closely watched test of whether such therapies can win broad coverage around the globe, and …
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Researchers at the University of Wisconsin-Madison analyzed fragments of DNA floating outside of cells in plasma samples to test for markers of cancer. The researchers accurately distinguished between cancer patients and healthy individuals 91 percent of …
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