Early Exposure to Dogs May Reduce Risk for Childhood Asthma
Indoor dog allergens may protect young children from developing asthma, according to a study presented at the annual congress of the European Respiratory Society.
Researchers, led by Jacob McCoy, M.D., from the Hospital for Sick Children & Research Institute in Toronto, examined the relationship between indoor allergen exposure during infancy and subsequent asthma. The analysis included 1,050 children with dust samples participating in the CHILD study.
- 6.6 percent of participants developed asthma by age 5 years.
- Higher Can f1 (dog allergens) significantly decreased the risk for asthma (odds ratio, 0.52).
- Those exposed to high versus low Can f1 had significantly higher forced expiratory volume in one second (FEV1) z-scores (β, 0.
Indoor dog allergens may protect young children from developing asthma.
Author summary: Early dog exposure may reduce childhood asthma risk.
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