Your Gut Bacteria Hold the Key to Longevity

Send us Fan Mail Your gut isn’t just digesting lunch; it’s running a molecular switchboard that shapes metabolism, immunity, and how you age. We pull back the curtain on the chemical messages your microbes send—why butyrate calms inflammation and fuels your colon, how SCFAs nudge GLP‑1 and PYY to steady appetite and insulin, and where things go off the rails with LPS leaks, TMAO spikes, and dysregulated bile acids. Along the way, we map the three lines of defense—microbes, barrier, liver—and ...