Longer Life For Worms

The mere act of breathing unleashes into the bloodstream a torrent of reactive molecules called free radicals, which damage cells and are associated with aging. Now, an international team of researchers claims to have discovered a way to avoid the damage. If so, the technique might amount to a fountain of youth--even if only in worms. In the Sept. 1 issue of Science, the group reported extending the life span of the lowly worm Caenorhabditis elegans from three to six weeks simply by giving it a souped-up antioxidant.

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