New York: Nitric oxide, the versatile gas that helps increase blood flow and regulate immune function, also prolongs the life of an organism strengthening it against environmental stress, according to a new study.The study found that a roundworm called Caenorhabditis elegans, an animal widely used in laboratory studies of ageing, lives significantly longer when fed bacteria capable of manufacturing nitric oxide.The observation points to one of the mechanisms by which the microbiome, the trillions of microbial cells inhabiting our bodies, may play a vital role in our health.
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