The study notes that children that are less exposed to microorganisms are found to have fewer infections.
One of the researchers, Anna-Carin Lundell, said “our study also demonstrated for the first time that delayed maturation of the immune system, specifically B-cells, is a risk factor for development of allergies.”
More studies are needed to verify the link between delayed B-cell maturation and the period of risk that follow the development of allergies.
“We need to identify the specific factors on dairy farms that strengthen protection against allergies and appear to promote maturation of the immune system as early as the fetal stage,” said Lundell.
The study was conducted on rural children that lived in the areas of Västra Götaland Region, and half of the participants in the study were from dairy farms.