Health & Medicine

  1. Health & Medicine

    Traveling Toxin: Botox may hitch a ride on nerve cells

    New evidence suggests that Botox migrates from the injection site, perhaps traveling along nerve cells.

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  2. Health & Medicine

    Curbing Chemo: Fasting cushions drug’s side effects in mice

    Two days of starvation kicks mice's cells into repair mode and helps them endure high doses of chemotherapy.

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  3. Health & Medicine

    New drug curbs rheumatoid arthritis in adults, children

    The experimental drug tocilizumab quells rheumatoid arthritis in adults and children by inhibiting an inflammatory compound called interleukin-6.

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  4. Health & Medicine

    Microbes weigh in on obesity

    The kinds of microbes living in an infant's gut may influence weight gain later in childhood.

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  5. Health & Medicine

    Refugee Polio Scare Can Be Costly

    There can be hidden, and substantial, costs to polio outbreaks among immigrant refugees.

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  6. Health & Medicine

    You, in a Dish

    Human cells grown in conditions that mimic life inside the body are beginning to replace lab animals for testing drug candidates and industrial chemicals.

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  7. Ecosystems

    Refugee Policy Needs a Shot in the Arm

    Sometimes spending a little money on vaccinations up front can save a bundle down the line.

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  8. Earth

    A New Would-Be Hormone in Water

    Nitrate, a common pollutant, may also perturb reproductive hormones—at least in frogs.

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  9. Health & Medicine

    Mouse, Heal Thyself: Therapeutic cloning from a mouse’s own cells

    Mice with a Parkinson's disease–like condition benefited from receiving new nerve cells made through therapeutic cloning of their own cells.

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  10. Health & Medicine

    Still Waters: Skin disease microbe tracked to ponds, swamps

    Scientists establish pond water as the natural environment of Mycobacterium ulcerans, the cause of the skin disease Buruli ulcer.

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  11. Health & Medicine

    Strong support for a basic diet

    The alkalinity of diets rich in potassium—usually a reflection of heavy fruit and vegetable consumption—helps preserve muscle.

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  12. Tech

    Virtual Addicts

    Logging on may become more than a choice for some young people.

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