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Gut Bacteria Influence Worms’ Lifespans

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It’s not as exciting as El Dorado’s source of eternal youth, but nitric oxide-producing bacteria are extending the lifespan of the humble roundworm Caenorhabditis elegans.

The worm lacks the enzyme needed to produce nitric oxide. In animals which are capable of manufacturing nitric oxide, it has been shown to increase blood flow, promote efficient nerve signal transmission and regulate the immune system, all factors that may contribute to a longer lifespan.

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