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AAP Grand Rounds 2:37-38 (1999) Prenatal, Not Postnatal, Smoking Associated With Early WheezingSource: Stein RT, Holberg CJ, Sherrill D, et al. Influence of parental smoking on respiratory symptoms during the first decade of life: The Tucson childrens respiratory study. Am J Epidemiol. 1999;149(11):10301037.
Many studies have linked parental cigarette smoking with childhood respiratory symptoms. The relative contribution of prenatal versus postnatal exposure, however, has not been well defined. In this study, the investigators evaluated a cohort of over 1,000 children born between 1980 and 1984 and enrolled in a health maintenance organization in Tucson, Arizona. The children were followed from birth to 11 years of age. Information about parental smoking and child symptoms was collected by prospective questionnaires at 5 different ages in the first decade of life. Prenatalbut not postnatalmaternal smoking was associated with wheezing at the time of the survey in children
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