@thegutexplainer: Why Do Some Poops Float? The Science Behind Buoyant Stools 💩🔬 🎈 The Main Reason: Gas, Not Fat Contrary to popular belief, floating stools are usually caused by trapped gas, not excess fat. Research shows that when you remove the gas from floating stools (by compression), they sink. The buoyancy comes from gas bubbles trapped in the stool, not from fat content. 🦠 Your Gut Bacteria Play a Role Gas-producing bacteria in your colon ferment undigested food and create gases that get trapped in stool. Studies show that people with certain gut microbes have more floating stools. 🍽️ Common Causes (Usually Normal): ✓ High-fiber diet (beans, lentils, vegetables) ✓ Fermentable carbohydrates (FODMAPs) ✓ Carbonated drinks ✓ Foods that produce more intestinal gas ✓ Changes in gut bacteria ⚠️ When to Pay Attention: Floating alone is usually harmless, but see a doctor if your stools are persistently: • Oily or greasy (leave residue in toilet) • Foul-smelling (worse than usual) • Bulky or large volume • Pale or clay-colored • Accompanied by weight loss, diarrhea, or abdominal pain These symptoms can indicate fat malabsorption (steatorrhea), which requires medical evaluation. 🏥 Conditions That Cause Fat Malabsorption: • Pancreatic insufficiency – The pancreas doesn’t produce enough digestive enzymes • Celiac disease – Immune reaction to gluten damages the small intestine • Chronic pancreatitis – Long-term inflammation of the pancreas • Crohn’s disease – Inflammatory bowel disease affecting nutrient absorption • Bile acid deficiency – Liver or gallbladder problems 🔬 The Fat vs. Gas Myth: A landmark study in the New England Journal of Medicine showed that floating = gas, not fat. Even people with severe fat malabsorption can have sinking stools if gas content is low. REFERENCES [1] Levitt, M., & Duane, W. C. (1972). Floating Stools — Flatus versus Fat. The New England Journal of Medicine, 286(18), 973-975. doi.org/10.1056/NEJM197205042861804

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Saturday 11 April 2026 19:39:11 GMT