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Lifestyle Changes and Industrialization in the Development of Allergic Diseases
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This paper describes the "Epithelial Barrier Theory," which proposes that toxic substances in everyday products -- including microplastics, detergents, and air pollution -- damage the protective linings of our skin, lungs, and gut. This damage disrupts the body's microbiome and triggers inflammation that may help explain the global rise in allergies and other immune-related diseases over recent decades.
Several hypotheses have been put forth trying to explain the observed increases in these diseases, such as 'Hygiene Hypothesis', 'Old Friends', and 'Biodiversity and Dysbiosis'. The recently introduced 'Epithelial Barrier Theory' incorporates these former hypotheses and suggests that toxic substances in cleaning agents, laundry and dishwasher detergents, shampoos, toothpastes, as well as microplastic, packaged food and air pollution damage the epithelium of our skin, lungs and gastrointestinal system. Epithelial barrier disruption leads to decreased biodiversity of the microbiome and the development of opportunistic pathogen colonization, which upon interaction with the immune system, initiates local and systemic inflammation. Gaining a deeper comprehension of the interplay between the environment, microbiome and the immune system provides the data to assist with legally regulating the usage of toxic substances, to enable nontoxic alternatives and to mitigate these environmental challenges essential for fostering a harmonious and healthy global environment.
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Epithelial Barrier Theory: The Role of Exposome, Microbiome, and Barrier Function in Allergic Diseases
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This review presents the epithelial barrier theory, which proposes that damage to the body's protective barriers is a key driver of allergic diseases. Researchers identified numerous environmental factors including microplastics, nanoparticles, detergents, and processed food additives that can weaken epithelial barriers in the skin, lungs, and gut. The study suggests that the rising prevalence of allergies may be linked to increasing exposure to barrier-disrupting substances in our modern environment.
Epithelial barrier hypothesis: Effect of the external exposome on the microbiome and epithelial barriers in allergic disease
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This review proposes the 'epithelial barrier hypothesis,' which suggests that modern environmental exposures, including microplastics, air pollution, and processed food additives, are damaging the protective barriers of our skin, gut, and airways. When these barriers break down, foreign substances and bacteria can enter the body and trigger allergic and inflammatory diseases, which have been increasing rapidly in recent decades. The research suggests microplastics may be one of many environmental factors driving the rise in conditions like asthma, food allergies, and eczema.
Environmental factors in epithelial barrier dysfunction
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This review examines how environmental factors from the modern industrialized world -- including air pollution, detergents, nanoparticles, and microplastics -- damage the protective lining of the skin, gut, and airways. Researchers describe how these exposures degrade the proteins that hold barrier cells together, increasing permeability and triggering immune responses linked to allergies, asthma, and inflammatory conditions. The study presents an "epithelial barrier hypothesis" suggesting that widespread barrier dysfunction from environmental pollutants may be driving the rise of chronic inflammatory diseases.
Recent advances in the epithelial barrier theory
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This review explains the "epithelial barrier theory," which links the rise in allergies, autoimmune diseases, and other chronic conditions to environmental pollutants, including micro- and nanoplastics, that damage the protective lining of our skin, lungs, and gut. These pollutants can break down the tight junctions between cells, trigger inflammation, and allow harmful substances to enter the body, potentially contributing to the increase in chronic diseases seen worldwide.
Intestinal barrier dysfunction and food allergy
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This review applies the epithelial barrier hypothesis to food allergy, arguing that environmental exposures including microplastics, nanoplastics, food additives, and detergents disrupt gut and skin barriers and drive the rise in allergic disease.
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When a large batch of papers lands in the Atlas, we read through it and send a short write-up of what stood out.