Health & Medicine

  1. Health & Medicine

    Cell-Phone Buzz: Contradictory studies heat up radiation question

    A new long-term animal study of cell-phone radiation suggests that emissions don't cause cancer, but studies by a second team hint that cell phones may cause damage in other ways.

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  2. Health & Medicine

    Kill or Be Killed: Tumor protein offs patrolling immune cells

    Many human cancers may evade surveillance by exploiting a protein normally found on certain immune cells.

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  3. Health & Medicine

    Rewiring Job: Drug spurs nerve growth in stroke-damaged brains

    The natural compound inosine spurs nerve reconnection in rats that have suffered the loss of blood to parts of the brain, suggesting inosine might help people recover from a stroke.

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  4. Health & Medicine

    Survivors’ Benefit?

    Smallpox outbreaks throughout history may have endowed some people with genetic mutations that make them resistant to the AIDS virus.

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  5. Health & Medicine

    Oxygen limits infections from surgery

    Giving patients extra oxygen during and shortly after colorectal surgery halves the incidence of infection.

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  6. Health & Medicine

    Stem Cell Gain: Bone marrow cells seem to have what it takes

    Tests show that a rodent bone marrow cell similar to one found in people acts as a multipurpose stem cell, much as embryonic stem cells do.

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  7. Health & Medicine

    Enough Isn’t Enough: An epidemic of vitamin D deficiency

    Many U.S. women of childbearing age, particularly those of African descent, lack sufficient vitamin D even though they consume the recommended amount.

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  8. Health & Medicine

    Let Them Eat Cake: Altered mice stay svelte on a high-fat diet

    A protein that links gluttony and weight gain may be a novel target for antiobesity drugs.

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  9. Health & Medicine

    Chinese chimneys slash lung cancer risk

    People in rural China who replace rudimentary domestic hearths with well-ventilated stoves enjoy both less-smoky homes and a dramatic reduction in their risk of developing lung cancer.

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  10. Health & Medicine

    New clue stirs up lithium mystery

    Lithium and two other mood-stabilizing drugs may all work by depleting nerve cells of a chemical that the cells use to signal each other.

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  11. Health & Medicine

    Drug cuts risk of seizures in pregnancy

    An inexpensive drug treatment lessens the risk of seizures that sometimes strike and even kill women during pregnancy or immediately after delivery.

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  12. Health & Medicine

    USDA gives nod to irradiating meats

    The federal government approved food irradiation, the only technology known to kill an especially lethal strain of bacteria, for use on raw meats.

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