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  • 18 Nov 1998

    A combination drug therapy for hepatitis C has cured almost half of patients tested. Experts say the results, described in tomorrow's New England Journal of Medicine, make a good case for giving both ribavirin and interferon alfa-2b as a standard treatment.

  • 13 Nov 1998

    Genes for a receptor that helps transmit nerve signals in animals have been found in, of all things, plants. While this doesn't mean you should talk to your broccoli, it does suggest that the receptor evolved long before plants and animals diverged.

  • 9 Nov 1998

    When a clear, fruity soft drink called Orbitz appeared on supermarket shelves 2 years ago, consumers marveled at the dozens of tiny gelatinous spheres suspended in the liquid that spin around when the bottle is shaken.

  • 28 Oct 1998

    Simplified drug treatments will not always keep HIV in check, doctors report in tomorrow's New England Journal of Medicine. The study shows that cutting down from three drugs to only one or two allows the virus to make a comeback in many cases.

  • 26 Oct 1998

    An intentional heart attack may cure some congenital heart defects, says a report in tomorrow's Circulation. In patients with a specific inherited heart problem, doctors induced a small heart attack to kill off abnormally swollen tissue, and in most cases the patients got better.

  • 5 Oct 1998

    If you find it hard to concentrate on the barrage of images in television ads and hyperactive Web sites, you aren't alone.

  • 28 Sep 1998

    In newborns exposed to secondhand smoke, mutations in an important gene occur at a high rate, according to a pilot study in next month's Nature Medicine.

  • 23 Sep 1998

    Immune systems are notoriously intolerant of transplanted tissue.

  • 18 Sep 1998

    Settling a decades-old debate, scientists have confirmed that blind people are just as adept at tracking sounds as people with normal vision. The finding, reported in this week's Nature, could lead to new devices for helping blind people navigate their environments.

  • 4 Sep 1998

    Entering a foreign country often requires both a passport and a visa valid for that country. Now scientists have figured out a way to issue a kind of molecular visa to drugs, allowing them to pass freely through cell membranes.