Program/Project Purpose: Exposure to secondhand smoke (SHS) causes many health problems. In China, 740 million nonsmokers are exposed to SHS, which leads to approximately 100,000 deaths every year. To systematically assess SHS exposure and perceived health risks of tobacco use, China CDC collaborated with five cities, including Chengdu, Chongqing, Wuhan, Xiamen and Xi'an, to launch the Tobacco Questions for Surveys (TQS) in 2015.
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