Gut Bacteria Might Guide The Workings Of Our Brains

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Could the microbes that inhabit our guts help explain that old idea of “gut feelings?” There’s growing evidence that gut bacteria really might influence our minds.

“I’m always by profession a skeptic,” says Dr. Emeran Mayer, a professor of medicine and psychiatry at the University of California, Los Angeles. “But I do believe that our gut microbes affect what goes on in our brains.”

Mayer thinks the bacteria in our digestive systems may help mold brain structure as we’re growing up, and possibly influence our moods, behavior and feelings when we’re adults.

….One team of researchers in Baltimore is testing a probiotic to see if it can help prevent relapses of mania among patients suffering from bipolar disorder.

“The idea is that these probiotic treatments may alter what we call the microbiome and then may contribute to an improvement of psychiatric symptoms,” says Faith Dickerson, director of psychology at the Sheppard Pratt Health System.

“It makes perfect sense to me,” says Leah, a study participant who has been diagnosed with bipolar disorder. She agreed to talk with NPR if we agreed not to use her full name. “Your brain is just another organ. It’s definitely affected by what goes on in the rest of your body.”

by Rob Stein, NPR

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