Health & Medicine

  1. Health & Medicine

    Shields Down: A cancer-fighting gene declines in old age

    Decline of an important anti-cancer gene could contribute to increased cancer risk among the elderly.

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  2. Health & Medicine

    Fueling a Flu Debate: Do vaccinations save lives among the elderly?

    Flu shots seem to prevent some deaths and limit hospitalizations for pneumonia in elderly people.

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  3. Health & Medicine

    Lonely white cells

    In chronically lonely people, white blood cells show abnormal gene activity that may affect health through immune responses.

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  4. Health & Medicine

    Lack of Evidence: Vaccine additive not linked to developmental problems

    Thimerosal, a mercury-containing vaccine preservative, shows no signs of causing memory, attention or other problems in children.

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  5. Health & Medicine

    Keep Out: Treated mosquito nets limit child deaths

    Mosquito nets treated with insecticides decrease death rates among children in Kenya's malarial zones.

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  6. Health & Medicine

    Distracted? Tea might help your focus

    An amino acid in tea combines with the brew's caffeine to enliven brain cells that aid concentration.

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  7. Health & Medicine

    Tea compound aids dying brain cells

    A constituent of green tea rescues brain cells damaged in a way that mimics the effect of Parkinson's disease.

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  8. Health & Medicine

    Malaria’s sweet spot

    The malaria parasite's reliance on a sugar in the gut of mosquitoes may offer a way to block the disease's transmission.

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  9. Health & Medicine

    Exhaust fumes might threaten people’s hearts

    Nanoparticles in diesel fumes thwart proteins that dissolve blood clots, perhaps increasing the risk of heart attacks.

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  10. Health & Medicine

    Fattening Carbs—Some Promote Obesity and Worse

    Easily digestible carbohydrates induce obesity and liver disease in a test on rodents.

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  11. Health & Medicine

    The Breast Solution

    Reversing earlier advice, health authorities now say that babies of HIV-positive mothers in poor countries have a better chance of avoiding infection if they feed only on breast milk that's not supplemented with other food.

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  12. Health & Medicine

    Warming to a Cold War Herb

    Benefiting from decades of research that took place behind the Iron Curtain, Western physicians are discovering Rhodiola rosea, a cold-weather herb that purportedly fights fatigue and boosts energy.

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