Your First-Line Immune Defense The mucosal barrier—your first-line immune defense—refers to all of the mucous membranes that comprise the primary interface between the external environment and the internal environment of the body. This mucosal barrier lets beneficial things into your general circulation and keeps harmful ones out.
To clarify this, an analogy can be made between the earth’s ozone layer and your body’s mucosal barriers. The ozone layer lets the right amount of sunlight through, sustaining life on earth; your mucosal barriers allow nutrients through, sustaining your health. The ozone layer prevents harmful radiation from getting through; the mucosal barriers prevent infectious agents and allergens from invading your body. But just as our planet has a damaged ozone layer, many of us have damaged mucosal barriers.
Consequently, we are not protected from harmful substances such as parasites, viruses, and bacteria. No disease or symptom needs to be present to warrant protecting the mucosal barrier of the intestines; keeping it healthy helps to keep us strong and disease-resistant.
Strengthening the gut lining is applicable to relieving and avoiding the impacts of asthma, arthritis, food allergies, ulcers, Crohn’s, ulcerative colitis, celiac disease, autoimmune diseases, alcoholism, chronic fatigue, joint pain, migraines, diarrhea, parasitic infections, dysbiosis, candidiasis, multiple sclerosis, and diabetes, all of which can have their origin in harmful substances entering the body from the intestines. Inflammation—commonly caused by food intolerances and infections—damages these tissues.
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