Scientists Identify Bacteria Linked to the Immune System Farm Effect
- Children raised around farms have lower rates of asthma and allergic conditions, and research identifies specific bacteria that statistically account for much of this observed "farm effect"
- Nine genera of gram-positive bacteria explained about two-thirds of the association between farm exposure and lower childhood asthma risk in this cross-sectional analysis, narrowing the effect from thousands of environmental microbes to a much smaller group
- Farm bacteria are predicted to produce or process compounds that interact with receptors on human cells involved in immune responses, pointing to a possible route by which environmental microbes may influence immune function
- You don't need to live on a farm to support healthy microbial exposure; outdoor play, gardening and regular contact with soil, plants and pets help create a less sterile everyday environment
- Supporting your microbiome with healthy carbohydrates and varied whole foods, while limiting ultraprocessed foods, antibacterial soap and unnecessary antibiotics, helps create an environment where beneficial microbes thrive
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