Protection from childhood asthma and allergy in Alpine farm environments—the GABRIEL Advanced Studies

S Illi, M Depner, J Genuneit, E Horak, G Loss… - Journal of Allergy and …, 2012 - Elsevier
BACKGROUND: Studies on the association of farm environments with asthma and atopy
have repeatedly observed a protective effect of farming. However, no single specific farm-
related exposure explaining this protective farm effect has consistently been identified.
OBJECTIVE: We sought to determine distinct farm exposures that account for the protective
effect of farming on asthma and atopy. METHODS: In rural regions of Austria, Germany, and
Switzerland, 79,888 school-aged children answered a recruiting questionnaire (phase I). In …