When the balance of “good” and “bad” bacteria is out of whack (dysbiosis, caused by such things as poor diet, medications, antibiotics, allergens, parasites, fungal overgrowth), it can trigger a cascade of inflammatory molecular reactions that feed back to the central nervous system, causing inflammation in the brain. And it’s this inflammation that messes with our neurotransmitters, leading to anxiety. Put simply, if you have fire in the gut, you have fire in the brain.
