Inflammation

Your gut bacteria produce a compound that literally changes which genes your brain expresses — and it may be the missing piece in understanding depression.

SSRIs don’t work for half of depressed patients. The reason might start in your gut, not your brain.

A research-backed week-by-week timeline for gut healing interventions so you know what to expect and when to worry.

Your body needs tryptophan to make serotonin. But when your gut is inflamed, that tryptophan gets stolen — and the byproducts are worse than low mood.

New research challenges the chemical imbalance theory of depression. The real culprit might be chronic inflammation originating in your gut.

The immune-cytokine model of depression shows how gut inflammation sends chemical signals to your brain — and what you can do to interrupt the cycle.

The gut-brain axis isn’t a wellness trend — it’s a measurable biological pathway. Here’s what the latest studies show.

Your gut bacteria manufacture most of your body’s serotonin. Here’s how that connection works and what you can do about it.

Your gut bacteria are quietly running your mood. Here’s the science behind the gut-brain connection and what you can do about it.

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.