Microbiome

Your probiotic might be working — or it might be expensive filler. Here’s how to tell the difference.

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 microbiome and sleep quality are locked in a bidirectional feedback loop — and most people are on the wrong side of it.

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

The gut-immune connection is real, but the popular narrative has oversimplified it. Here’s what the research actually says about barrier function, zonulin, and what genuinely helps.

The trillions of bacteria in your gut are quietly running your sleep-wake cycle through serotonin, melatonin, and the vagus nerve — and most women over 35 have no idea.

The gut-immune connection isn’t just about leaky gut anymore — researchers are finding specific mechanisms that change how your body fights inflammation.

Everyone’s injecting GLP-1 drugs. But your gut already makes this hormone on its own — if you give the right bacteria what they need.

The internet’s hottest gut health trend promises better digestion, more energy, and weight loss through extreme fiber intake. The reality is more complicated.

The bacteria in your gut don’t just digest food — they regulate your sleep, energy levels, and potentially how long you live. Here’s the mechanism.

The probiotic soda aisle is booming — but the science behind the marketing tells a very different story about what’s actually reaching your microbiome.