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Health

  • 12 Apr 1999

    In one of the greatest moments in modern medical science, American microbiologist Jonas Salk on 12 April 1955 pronounced his newly invented polio vaccine safe and effective in almost 90% of cases.

  • 9 Apr 1999

    Developing a new vaccine can cost between $200 and $400 million before it's put on the market.

  • 9 Apr 1999

    WASHINGTON, D.C.--The National Institutes of Health (NIH) is moving ahead slowly on its pledge to fund controversial research on human embryonic stem cells.

  • 7 Apr 1999

    In a technical tour de force, scientists have coaxed a toxic chemical out of contaminated soil without removing or incinerating the soil.

  • 23 Mar 1999

    Today

  • 23 Mar 1999

    ATLANTA--Known to comic book aficionados as a potent superhero, xenon--in real life, a mild-mannered noble gas--may soon turn its super powers to medicine. Physicists have used xenon to generate images of blood flow through heart, lung, and brain tissue in rats.

  • 19 Mar 1999

    HEBDEN BRIDGE, U.K.--A recent sharp rise in the number of deaths from variant Creutzfeldt-Jakob disease (vCJD) in Great Britain has caused concern that a long-feared epidemic of the deadly brain disease is impending.

  • 17 Mar 1999

    WASHINGTON, D.C.--Marijuana today received the imprimatur of U.S.

  • 17 Mar 1999

    A sometimes fatal enlargement of the heart can be inherited or acquired through an infection.

  • 16 Mar 1999

    The virus that causes herpes may someday bring relief, rather than misery. In the current Proceedings of the National Academy of Sciences, biologists show that the herpes virus can shuttle human antipain genes into nerve cells in mice, increasing their tolerance for pain.

  • 11 Mar 1999

    The blood-brain barrier, which controls chemical traffic to and from the brain, may be even more complex than previously thought. Some compounds that appear to penetrate the entire brain, as indicated by brain scans, are in fact caught by a second line of defense.

  • 10 Mar 1999

    A long-leaderless AIDS vaccine research institute has finally found a director.

  • 9 Mar 1999

    PARIS--The trial of three former French ministers in France's long-running HIV blood scandal came to a close today, with one conviction and two acquittals.

  • 9 Mar 1999

    A gene linked to breast cancer may spur the growth of advanced prostate cancer, which kills some 44,000 American men each year.

  • 4 Mar 1999

    Most laboratory mice don't live long enough to go bald or grey, but a strain of animals missing an enzyme linked to cellular aging look like they could use a bit of Clairol or Rogaine.

  • 3 Mar 1999

    High-power x-rays can diagnose breast cancer from a single hair, according to a report in tomorrow's Nature. Although the technique is simpler to interpret--and potentially more reliable--than a mammogram, it does require a multimillion-dollar synchrotron facility.

  • 2 Mar 1999

    When your liver shuts down it means lights out--you can't live without it.

  • 26 Feb 1999

    Alternative medicine got a sympathetic ear on Capitol Hill this week, during a hearing held by Representative Dan Burton (R-IN) to explore how to integrate homeopathy, herbal treatments, and other therapies into mainstream medicine.

  • 25 Feb 1999

    Men who are less fertile than normal also have an increased risk of testicular cancer, according to a study published today in the British Medical Journal.

  • 25 Feb 1999

    Researchers have found a strong piece of new evidence for the theory that infections can cause heart disease.

  • 23 Feb 1999

    A timeworn drug once used to fight a kind of worm infection may find itself called back into service against a new foe--liver cancer.

  • 19 Feb 1999

    Can prayer heal a sick patient? Though polls show that most Americans believe so, scientists remain sharply divided on the question.

  • 19 Feb 1999

    Biomedical and scientific groups have begun an intense lobbying effort to persuade Congress to resist a conservative campaign aimed at blocking federal support for human stem cell research. Both sides are expected to clash on Capitol Hill in coming weeks.

  • 18 Feb 1999

    A detailed analysis of the first year's experience with Oregon's physician-assisted suicide law suggests that the worst fears of some of the law's opponents haven't been borne out.

  • 18 Feb 1999

    Eleven prominent AIDS researchers, primatologists, and animal conservationists are urging vaccine developers not to inject chimpanzees with strains of HIV that can cause AIDS-like disease in the animals.

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