In the Tucson CRS study, about 50% of young children experienced a period of recurrent wheezing and/or coughing in the first 6 years of life. These early-childhood wheezers were further subdivided into (1) ’transient early wheezers,’ with wheezing only <3 years; (2) ‘persistent wheezers,’ with manifestations through the first 6 years; and (3) ‘late-onset wheezers,’ with manifestations only after 3 years. Transient wheezers comprised the largest proportion of the group at 20%; persistent and late-onset wheezers made up slightly smaller proportions (14% and 15%, respectively). (more…)
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It is clear from the results of large epidemiologic studies that while atopy is a major risk factor for asthma, it is usually n ...
Natural history studies with the following design features provide a firm epidemiologic foundation for risk factor assessments and ...
Atopic Dermatitis is considered to be one of the first manifestations in the atopic march. The aim of this study was to investi ...
The authors investigated whether environmental control during pregnancy and early life affects sensitization and lung function at t ...