| http://www.w3.org/ns/prov#value | - NEW YORK???Packed lunches that children bring from home are often missing the vegetables, milk and other healthy items recommended by dietary guidelines, says a new study.More than 40 percent of U.S. kids bring their own food to school, but there have been very few studies of what kids have in their lunchboxes, the authors note.For the new study, they examined the lunchbox contents of 626 third an
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