Can Your Gut Bacteria Affect Your Mood?

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Researchers have been looking into the various ways gut bacteria affect us, and have recently discovered links to obesity, asthma and allergies. Now scientists are investigating whether the microbes in our stomachs also affect our moods and behavior. Just what are all those bacteria inside us up to?


Rob Knight, professor of pediatrics, computer science and engineering at UC San Diego

Justin Sonnenburg, associate professor at the Stanford University School of Medicine