When you start diaphragmatic breathing throughout the day

When you start diaphragmatic breathing throughout the day, your acid reflux, bloating, and chronic stress can start to quiet down. One nerve explains why: your vagus nerve. Your vagus nerve is the longest nerve of your autonomic nervous system and the main communication line between your gut and brain. It runs your parasympathetic "rest and digest" state. Shallow chest breathing keeps you tilted toward a low-grade threat state. A slow diaphragmatic breath, especially a long exhale, stimulates the vagus and shifts you back toward calm. That one shift touches all three symptoms. Reflux: the crural part of your diaphragm wraps around your lower esophageal sphincter, the valve that keeps acid down. Breathwork trains that clamp. In a randomized trial, diaphragmatic breathing cut the time the esophagus spent exposed to acid nearly in half and reduced PPI use at follow-up (Eherer et al., 2012, Am J Gastroenterol, PMID 22146488). Bloating: a calmer, parasympathetic-dominant state supports gastric motility, so food and gas keep moving instead of sitting and building pressure. Stress: in an 8-week randomized study, diaphragmatic breathing significantly lowered cortisol and negative affect (Ma et al., 2017, Front Psychol, PMID 28626434). How to build it in: Nervous System Snacks (throughout the day). 60 to 90 second resets you sprinkle in: Double the length of your exhale for 6 slow breaths Hum for 30 seconds to stimulate the vagus nerve One hand on your chest, one on your belly, follow a few calm breaths The LES Lock (after meals). Here is what I teach my clients: 1 to 5 minutes of diaphragmatic breathing with 360 ribcage expansion immediately after meals, up to 5x daily. The nervous system responds to repetition, not intensity. Small hinges swing big doors. Check the link in my bio for my free 14-Day Reflux Reset to build these in. Follow for more, and share this with a fellow chest-breather. #AcidReflux #GERD #VagusNerve #GutHealth #RegisteredDietitian