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  • Food for Thought

    Leaden Chocolates

    Here's something that might give you pause after Halloween: Chocolates are among the more lead-contaminated foods. A new study has probed the source of chocolate's lead and concludes it's not the cocoa bean. Its concentrations of the toxic metal were among the lowest recorded for any foodstuff.

    The issue of lead-tainted chocolates is hardly new. Indeed, it was the...

    11/03/2005 - 16:10 Nutrition
  • News

    Cancer Switch: Good gene is shut off in various malignancies

    A gene called Reprimo is shut down in several cancers but rarely in healthy cells, a new study shows. This finding suggests that the gene's normal action would somehow inhibit these cancers. What's more, Reprimo is stalled in some precancerous growths, indicating that its silencing might occur in the early stages of cancer, says Adi F. Gazdar, a pathologist at the University of Texas-...

    07/13/2005 - 10:18 Biomedicine
  • News

    Do Arctic diets protect prostates?

    Prostate cancer's prevalence and its increase with age tend to be consistent from country to country. A new study finds one major exception to this cancer's high prevalence in older men: Arctic Inuit populations.

    Assessments of cancer in Inuit groups in Alaska, Canada, and Greenland had hinted that prostate cancer's incidence among the Inuit is unusually low. To rule out the possibility...

    10/13/2003 - 19:57 Nutrition