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The association between cotton and prevalence of rural childhood asthma.

Kingston BJ, Parchman ML. The association between cotton and prevalence of rural childhood asthma. Texas Medicine. 2003 Mar 1; 99(3):61-5.

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In the United States, asthma now ranks as the most prevalent chronic disease among children. Within rural cotton-producing regions, a popular belief is that cotton production increases the prevalence of asthma. This case-control study was conducted to determine if the prevalence of asthma is higher in children living in rural cotton-producing countries than in children where cotton production is negligible. No evidence was found to support the belief that cotton production increases the rural childhood prevalence of asthma (P = .12). More importantly, this study did reveal a significantly higher prevalence of asthma among the fifth graders in rural West Texas than the prevalence predicted by the Centers for Disease Control and Prevention (P < .0001).

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