Does Vaping & Smoking Cause IBS? The IBS & Gut Health Clinic Clearing the Air: Smoking's Role in Irritable Bowel Syndrome E cigarettes compromise the gut barrier and trigger inflammation ScienceDirect E cigarette use, flavorings may increase heart disease risk, study finds Frontiers Association of educational attainment with esophageal cancer, Barrett's esophagus, and gastroesophageal reflux disease, and the mediating role of modifiable risk factors: A Mendelian randomization study