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Previous Volume 329:1580-1581 November 18, 1993 Number 21 Next

	Since this article has no abstract, we have provided an extract of the first 100 words of the full text and any section headings.

	Full Text Purchase this article Add to Personal Archive Add to Citation Manager Notify a Friend E-mail When Cited Related Article by Boyle, P. Related Article by Chilmonczyk, B. A.

To the Editor: Chilmonczyk et al. (June 10 issue)¹ demonstrated a dose-response relation between exacerbations of asthma in children and exposure to environmental tobacco smoke, and validated parental reports of exposure by measuring urine cotinine levels. There have been direct studies demonstrating that deliberate exposure to environmental tobacco smoke resulted in "shortness of breath," "tightness in the chest," and "wheezing" and that these symptoms were twice as frequent in subjects with asthma (25 percent) as in nonasthmatic subjects (12 percent)^2,3. These direct studies add validity to the conclusions of larger retrospective investigations.

Previous research suggests a possible interaction between . . . [Full Text of this Article]

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