Sense of smell could predict longevity

A team of researchers has revealed that they were able to predict whether worms would live long by measuring how they move towards an appealing, food-like scent. The Salk Institute finding shows how nematodes (Caenorhabditis elegans) process information about the environment and how circuits in the brain change as an animal ages. "We are not saying that your ability to smell is going to make you live longer," says Sreekanth Chalasani, adding "but this odor behavior is likely indicative of some kind of underlying physiology."

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