Dual exposure to smoking and household air pollution is associated with an increased risk of severe asthma in adults in Brazil

ConclusionsExposure to household pollution is associated with poorer control, greater severity, and poorer pulmonary function; double-exposed individuals have a greater risk of severe asthma and decreased lung function than those exposed only to household pollution.
Source: Clinical and Translational Allergy - Category: Allergy & Immunology Source Type: research