Health & Medicine

  1. Health & Medicine

    Diluted smallpox vaccine is potent

    About 15 million doses of smallpox vaccine held by the U.S. government can be diluted to one-tenth their original concentration and still be effective for immunizing people.

  2. Health & Medicine

    Pulse pressure linked to dialysis death rate

    People on kidney dialysis who have high pulse pressure—the difference between the top and bottom numbers on a blood pressure reading—seem to be at a greater risk of dying than those with low pulse pressure.

  3. Health & Medicine

    Blood Vessel Poisoning: Arsenic narrows artery that feeds brain

    New research suggests that drinking arsenic-laden water can produce dangerous narrowing in the carotid artery, which channels blood through the neck to the brain.

  4. Health & Medicine

    Scrambled Drugs: Transgenic chickens could lay golden eggs

    Scientists have created transgenic chickens able to produce foreign proteins—and, potentially, pharmaceuticals—in their eggs.

  5. Health & Medicine

    A tasty discovery about the tongue

    Scientists can now explain how the tongue tastes the amino acids in proteins.

  6. Health & Medicine

    Clotting protein hinders nerve repair

    A blood-clotting protein called fibrin seems to exacerbate the regrowth problems that plague severed nerves.

  7. Health & Medicine

    Aerial War against Disease

    Researchers around the world are catching on to the idea of using satellites to predict where diseases may strike.

  8. Health & Medicine

    Deciphering Virulence: Heart-harming bacteria flaunt unique viral genes

    By documenting genetic variation among bacteria responsible for a heart-damaging illness known as rheumatic fever, researchers may have opened paths to new preventive measures and treatments.

  9. Health & Medicine

    X rays tell stirring tale about fat

    X rays reveal how food processing shapes microscopic crystals of edible fats.

  10. Health & Medicine

    Researchers find how rhubarb remedy eases cholera

    Researchers in Japan have identified a natural compound responsible for the effectiveness of one rhubarb-based remedy to combat the overwhelming diarrhea that comes with cholera.

  11. Health & Medicine

    Brave New Drug: Compound stops cowpox and smallpox viruses

    A new drug called HDP-CDV stops smallpox virus from replicating in lab tests and cowpox virus from replicating in mice, suggesting it could work as a treatment for smallpox in people.

  12. Health & Medicine

    Computer sharing tackles anthrax

    A drug-discovery effort using more than a million personal computers worldwide has identified thousands of compounds that could form the basis of a cure for anthrax.