We're told water at meals dilutes digestive juices, that a yoghurt is enough to fix the microbiota, and that reflux always means too much acid. The reality is physiological: chewing, vagus nerve, plant diversity, gut mucus, between-meal motility. Ten questions, a few traps, few mantras. Three levels: common myths, confusions that lead to the wrong tool, and the nuances magazine digestion tips ignore. To dig deeper: the gut as an electric instrument (Cajal, NTS, digestive jet lag) and the SIBO / SIFO / IBS exploration. Sources: Gastroenterology, Cell, NEJM, Am J Gastroenterol. See our terms and conditions. The information shared here does not replace advice from a qualified health professional.