Read about medical advances and research in Seattle and worldwide. Topics include treatments; surgery; diseases such as Zika; studies of the human brain, heart and cancer; mental health; drugs and vaccinations; and Medicare, the Veterans Administration (VA) and the Affordable Care Act, aka Obamacare. Institutions include the Hutch, UW Medicine, Harborview, Virginia Mason, Group Health and Swedish.

Express Scripts to limit opioids; doctors concerned

The nation's largest pharmacy benefit manager will soon restrict opioid drugs prescribed to first-time users as part of an effort to curb an epidemic affecting millions of Americans. That move is drawing criticism from the American Medical Association.

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