Health & Medicine

  1. Health & Medicine

    Scanning Risk: Whole-body CT exams may increase cancer

    Adults who routinely get whole-body CT scans without medical cause are exposing themselves to doses of radiation that may increase their risk of dying from cancer.

    By Diana Parsell
  2. Health & Medicine

    Alzheimer’s Advance: Omega-3 fatty acid benefits mice

    A diet that includes a key omega-3 fatty acid found in fish prevents some memory loss in mice that develop a disease resembling Alzheimer's.

    By Nathan Seppa
  3. Health & Medicine

    Pathogenic partners prompt pneumonia

    A study of infants has shown that bacterial and viral pathogens may act together in causing pneumonia, a finding that could affect treatment options.

    By Diana Parsell
  4. Health & Medicine

    Mexican Americans face stroke risk

    Middle-aged Mexican Americans face twice the stroke risk that non-Hispanic whites do.

    By Nathan Seppa
  5. Health & Medicine

    Vitamin E may curb colds in old folks

    Vitamin E seems to help elderly people fend off colds.

    By Nathan Seppa
  6. Health & Medicine

    We’re Very Supplemented

    Increasingly, men and women reach for pills to insure against the possibility they're not eating a healthy diet.

    By Janet Raloff
  7. Health & Medicine

    Keeping Cells under Control: Enzyme suppression inhibits cancer spread

    Shutting down an enzyme can slow the spread of cancer in mice.

    By Nathan Seppa
  8. Health & Medicine

    Vitamin may guard against mental decline

    The B vitamin niacin may protect people against Alzheimer's disease and other forms of mental decline.

    By Ben Harder
  9. Health & Medicine

    Bright nights kindle cancers in mice

    Data from mice subjected to constant illumination suggest that artificial light may increase risks of lung and liver cancers and leukemia.

    By Ben Harder
  10. Health & Medicine

    Finding a Missing Link: Scientists show a new connection between inflammation and cancer

    Scientists studying gastrointestinal cancer in mice have found powerful evidence of a molecular connection between inflammation and cancer.

    By Carrie Lock
  11. Health & Medicine

    Unorthodox Strategy: New cancer vaccine may thwart melanoma

    In experiments on mice, destroying good skin cells can induce the immune system to kill cancerous versions of these cells.

    By Nathan Seppa
  12. Health & Medicine

    Demanding careers may thwart Alzheimer’s

    People who spend many years in mentally taxing jobs are less likely to develop Alzheimer's disease than are people who do more-routine work.

    By Nathan Seppa