1. Health & Medicine

    A new way to lower cholesterol

    New agents lower cholesterol in a slightly different way than do statins, the most widely used cholesterol-lowering drugs.

  2. Health & Medicine

    The Persistent Problem of Cystic Fibrosis

    Ten years after the discovery of the gene that, when mutated, causes cystic fibrosis, researchers are still struggling to understand why deadly lung infections are so common among people with the disease.

  3. Humans

    Smallpox redux: World body suggests keeping the virus

    Fear of bioterrorism has led the World Health Organization to postpone its 2002 deadline for destruction of smallpox virus stocks so that scientists can refine current vaccines and improve defenses against the disease.

  4. Health & Medicine

    The right fats: Omega-3 fatty acids soothe inflamed colons

    A diet containing fish oil, which is rich in healthful omega-3 fatty acids, reduces symptoms of a colitis-like condition in rats.

  5. Health & Medicine

    Anthrax-toxin component deciphered

    Scientists have figured out the molecular structure of edema factor, a component of the anthrax toxin.

  6. Humans

    Forbidden tests: Panel seeks ban on human clones

    A national advisory panel has asked Congress to forbid cloning aimed at creating a child but urged the lawmakers to permit other medical experiments with cloned human cells.

  7. Health & Medicine

    Cancer clue: RNA-destroying enzyme may thwart prostate-tumor growth

    Scientists have found a mutated gene that predisposes men of some families to prostate cancer.

  8. Health & Medicine

    Painful Thoughts

    It may not surprise people terrified by a visit to the dentist that one of the top pain research groups at the National Institutes of Health is located within the National Institute of Dental and Craniofacial Research. Check out the group’s history in NIDCR’s fascinating primer on the science of pain. Go to:

  9. Humans

    Official chooses Nevada for nuclear waste

    On Jan. 10, Energy Secretary Spencer Abraham notified Nevada's Governor Kenny Guinn by telephone that he intends to recommend that southwestern Nevada's Yucca Mountain site serve as the nation's long-term geological depository for high-level nuclear waste.

  10. Health & Medicine

    Nicotine metabolism shows ethnic bias

    A comparison of Latino, white, and Chinese-American smokers suggests that people of East Asian descent are apt to clear nicotine from their blood more gradually than the other smokers do, thereby staving off a craving for the next cigarette.

  11. Health & Medicine

    Gene Variant Tied to Human Aging

    Variants of a gene linked to mouse aging are more prevalent in elderly people than in newborns, suggesting that the gene influences human aging or specific age-related illnesses.

  12. Health & Medicine

    Cloning’s ups and downs

    Dolly, the world's first cloned mammal, has developed arthritis, and two biotech firms have turned to cloning in their attempt to create pigs with organs that human bodies won't reject when transplanted.