Exposure to environmental tobacco smoke and cognitive abilities among U.S. children and adolescents.In the article "Exposure to Environmental Tobacco Smoke and Cognitive Abilities Among U.S. Children and Adolescents," Yolton et al. (2005) stated that the data "indicate an inverse association between ETS exposure and cognitive deficits among children.... " They do not. They indicate an inverse association between ETS exposure and scores, but a direct association between ETS exposure and cognitive deficits. The author declares he has no competing financial interests. REFERENCE Yolton K, Dietrich K, Auinger P, Lanphear BP, Hornung R. 2005. Exposure to environmental tobacco smoke and cognitive abilities among U.S. children and adolescents. Environ Health Perspect 113:113:98-103. Editor's note: In accordance with journal policy, Yolton et al. were asked whether they wanted to respond to this letter, but they chose not to do so. Phillip Petersen Queensland Queensland, state (1991 pop. 2,477,152), 667,000 sq mi (1,727,200 sq km), NE Australia. Brisbane is the capital; other important cities are Gold Coast, Toowoomba, Townsville, Rockhampton, Cairns, and Ipswich. Queensland is bounded on the NE and E by the Coral Sea and the Pacific Ocean and on the NW by the Gulf of Carpentaria and Torres Strait. Medical Laboratory and Queensland University of Technology Rochedale, South Queensland, Australia E-mail: philpetersen@optusnet.com.au |
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