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Oil combustion and childhood cancers
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  • Published on:
    Blacktop roads

    Dear Editor,

    Belatedly, I have just read the paper by E.G.Knox (Oil Combustion and Childhood Cancers, J. Epidemial Community Health 2005;59:755-760). The author drew a relationship between motor vehicle emissions in high traffic areas and high incidence 'hot spots' of cancer, but I wonder if the potential hazards of road dust were considered as contributing factors. Blacktop roads comprise gravel bonded with...

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    Conflict of Interest:
    None declared.
  • Published on:
    Geographically based approaches can identify environmental causes of disease, but not if they lack a

    Dear Editor,

    The Journal of Epidemiology and Community Health has recently published two papers by Knox[1,2] which conclude that “childhood cancers are strongly determined by prenatal or early postnatal exposures to oil based combustion gases especially from engine exhausts. 1,3-butadiene, a known carcinogen, may be directly causal”. This is a strong conclusion for a study whose novel analysis uses only the birth...

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    Conflict of Interest:
    None declared.