Doubt cast on study of lead in rice

BBC: Tests indicating that rice imported to the US contained high levels of lead have been cast into doubt. At a conference in April, researchers reported that commercially available rice contained many times more lead than US food authorities deemed safe. The findings sparked international concern over imported rice. But preliminary independent checks on the findings have failed to replicate the results, and tests suggest the equipment used may have been to blame. The initial findings, revealed......

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