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Gut bacteria may fight depression

Many people would be surprised to learn that bacterial cells in the digestive tract outnumber their own cells 10 to one.

Most don’t know that each person has a unique mix of gut bacteria, like a fingerprint.

And they certainly don’t know that giving this bacteria the royal treatment by eating a lot of fermented foods may also do the brain a favour.

Some evidence suggests “healthy bacteria” could help ward off hard-to-treat symptoms of depression, anxiety and other common mental health disorders.

“There’s actual stress receptors in your gut,” said Zoe Hunter, an Acadia University researcher investigating that link.

“That’s the hypothesis; the probiotics actually change those receptors. I want to know the biology of it.”

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