
Gut Bacteria Messages to Your Brain: What They Say
Your microbiome doesn’t just digest food — it manufactures neurotransmitters and sends signals directly to your brain through the vagus nerve.

Your microbiome doesn’t just digest food — it manufactures neurotransmitters and sends signals directly to your brain through the vagus nerve.

The gut-brain axis isn’t a theory anymore — it’s a mechanism. Here’s how your microbiome controls your mood and what to do about it.

Your gut and brain talk through the vagus nerve. When that connection weakens, anxiety and inflammation follow.

Your gut bacteria produce neurotransmitters, regulate inflammation, and talk to your brain in real time. After 40, that conversation changes.
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