Microbiome

Your gut bacteria are waiting for fiber you’re not giving them. Here’s how prebiotic foods produce anti-inflammatory compounds — and what happens when you finally deliver.

The fibermaxxing trend gets the premise right but the method wrong — and for disrupted guts, it backfires.

The fibermaxxing trend is everywhere — but the research on fiber supplements vs whole food fiber tells a different story than influencers suggest.

The gut-brain serotonin pathway is the mechanism behind mood swings, anxiety, and brain fog that start in your digestive system.

IBS affects 10-15% of adults — and the functional medicine approach targets root causes rather than just managing symptoms.

The tryptophan-serotonin pathway your gut bacteria run — and what happens when it stops working.

The gut-brain connection is more specific than you think — new research maps the exact pathways your gut bacteria use to influence your mental health.

Your gut sends signals to your brain through the vagus nerve — and gut bacteria control what those signals say.

Your gut bacteria make butyrate from fiber — but not all fiber works the same way. Here’s what to eat, what to skip, and whether supplements are worth it.

A compound your gut bacteria make from fiber literally changes which genes your brain expresses — and the effect compounds over time.

BDNF is the protein that determines whether your brain bounces back or stays stuck. Your gut bacteria control how much you make.

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