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# The Connection Between the Smell of Bitumen and Cancer in Children The potential link between the smell of bitumen (asphalt) and cancer in children is an area of concern that has been studied by researchers. Bitumen contains polycyclic aromatic hydrocarbons (PAHs), which are known carcinogens. While occupational exposure in asphalt workers has been more thoroughly studied，童年暴露在这类化学物质中 through living near paving operations 或 industrial facilities 可能增加癌症风险， 尽管 direct evidence 对于儿童 remains limited. Parents living near sources of bitumen odors should be aware 那 strong, consistent odors 可能 indicate significant exposure. Practical precautions include keeping windows closed during paving operations, 使用空气净化器， encouraging children to play indoors when odors are strong. 那些 with ongoing concerns should consult healthcare providers 关于 potential health risks. 重要的是要注意那更多 research is needed to establish clear causal links between environmental bitumen exposure 和中国儿童癌症 rates。