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Study identifies which bacteria trigger the farm effect that makes children less prone to allergies
July 29, 2026
Medical ResearchMedical Xpress

Children who grow up in a farm environment are less prone to allergies, asthma and hay fever than their classmates. This so-called farm effect has been identified in several observational studies worldwide. It is most likely attributable to the fact that various bacteria present in barn air prevent
Children who grow up in a farm environment are less prone to allergies, asthma and hay fever than their classmates. This so-called farm effect has been identified in several observational studies worldwide. It is most likely attributable to the fact that various bacteria present in barn air prevent excessive inflammatory responses of the immune system that are characteristic of such diseases.
Source: Medical Xpress