Before you spend another dollar on a biohacking protocol, here’s what the science says about the real cost-benefit of health optimization.

Biological age tests are everywhere now — here’s what they actually measure, who should get one, and what to do with your results.

Biological age tests measure epigenetic methylation patterns — but the actionable part is what you do with the information, not the number itself.

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.

Your gut bacteria don’t just digest food — they literally control which of your brain genes get expressed.

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.

If you work with clients, statistically at least one in ten has IBS — here’s how to recognize it, support them, and know when to refer out.

IBS isn’t in your head — it’s in your gut microbiome. Here’s what the latest research says about subtypes, inflammation, and what actually helps.