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The European Commission-funded FLORA research project seems to have confirmed that diets rich in flavonoids, a variety of polyphenols, may be effective in keeping the heart stronger. University of Grenoble researchers, who collaborated on the project with other research centres, describe their scientific work as one of the few approaching this field by in vivo studies. "So far the biological and protective activities of various flavonoids have been extensively studied in vitro, on cell- based assays....