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(PhysOrg.com) -- It's a basic technique learned early, maybe even before kindergarten: Pulling things apart - from toy cars to complicated electronic materials - can reveal a lot about how they work. "That's one way physicists study the things that they love; they do it by destroying them," said S

NEW YORK (Reuters Health) - A scan of the Canadian population reveals that, thanks largely to fortified foods, almost no one is deficient in folic acid, and forty percent have relatively high -- maybe even too high -- levels of the B vitamin in their blood.