Researchers Examine Bedroom Allergy Exposures in US Households

In the Journal of Allergy and Clinical Immunology’s November 2017 edition, researchers sought to examine exposures to allergens in bedrooms of the US population. Researchers took data from the National Health and Nutrition Examination Survey, used questionnaires and environmental assessments, and took concentrations of eight indoor allergens in dust samples from nearly 7000 bedrooms.

The researchers found “almost all participants (>99%) had at least 1 and 74.2% had 3 to 6 allergens detected. More than two thirds of participants” had at least 1 allergen exceeding increased levels. The researchers concluded “exposure to multiple allergens is common. Despite highly variable exposures, bedroom allergen burden is strongly associated with the presence of pets and pests.”

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