Health & Medicine

  1. Health & Medicine

    Vitamin D: Blacks need much more

    To achieve healthy concentrations of vitamin D, many African-Americans may need hefty daily supplementation.

    By Janet Raloff
  2. Health & Medicine

    Big kids at risk for heart disease

    Overweight children grow up to have an elevated risk for blocked coronary arteries as adults, a long-term Danish study finds.

    By Brian Vastag
  3. Health & Medicine

    The Long Road to Beta Cells

    In their quest to cure type 1 diabetes, scientists are finding that turning stem cells into insulin-producing beta cells is a lot harder than it first appeared.

    By Brian Vastag
  4. Health & Medicine

    No Peanuts for Your Peanut

    Youngsters are developing peanut allergies earlier because of exposures in babyhood.

    By Janet Raloff
  5. Health & Medicine

    Angiogenesis Factors: Tracking down the suspects in blood vessel growth near tumors

    Tumors enlist certain bone marrow cells in efforts to grow new blood vessels for self-nourishment.

    By Nathan Seppa
  6. Health & Medicine

    Sickle Save: Skin cells fix anemia in mice

    Using a new technique to turn skin cells into stem cells, scientists have corrected sickle cell anemia in mice.

    By Brian Vastag
  7. Health & Medicine

    Putting tumors on pause

    Keeping benign breast tumors from progressing into a malignant cancer can be achieved in mice by reducing a signaling protein.

    By Patrick Barry
  8. Health & Medicine

    Diabetes drug shows new potential

    Exendin-4 (exenatide) might complement a drug called anti-CD3 monoclonal antibody in reversing type 1 diabetes, a study in mice shows.

    By Nathan Seppa
  9. Health & Medicine

    Malaria’s new guises

    Scientists have observed Plasmodium falciparum enjoying three distinct lifestyles—two of which have never been seen before—in the blood of infected children.

    By Brian Vastag
  10. Health & Medicine

    Calculated Risk: Shedding light on fracture hazards in elderly

    Diminished bone density in elderly people contributes to fractures following traumatic accidents.

    By Nathan Seppa
  11. Health & Medicine

    Dengue virus found in donated blood

    Scientists have discovered that 12 units of blood donated in Puerto Rico in late 2005 contained the dengue virus.

    By Nathan Seppa
  12. Health & Medicine

    Sleeping sickness pill may work as well as injections

    The first oral drug for sleeping sickness is showing effectiveness in a trial in central Africa.

    By Nathan Seppa