Nutrition

  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

    Additives may make youngsters hyper

    Common food colorings and the preservative sodium benzoate have the potential to foster hyperactivity and inattentiveness in children, a new study finds.

    By Janet Raloff
  3. Health & Medicine

    Salmonella seeks sweets

    A sugarlike substance in the roots of lettuce may attract food-poisoning bacteria.

    By Janet Raloff
  4. Health & Medicine

    Yummy Bugs

    Do you enjoy chocolate? You can make it more nutritious by bugging it—with crickets, for example.