cadmium in e cigarettes Smokeless Tobacco, E-cigarettes, Vaping: What is the Real Deal? Read "Public Health Consequences of

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Establishments are required to post signs stating that sales to underage customers are prohibited and will be penalized.6,7 In stores where admission is not restricted to individuals 21 and older, tobacco products for sale must be store behind the counter or in a locked container.6,7 Sales and distribution of e-cigarettes, vapor products or liquid nicotine to underage persons are prohibited.9 Self-service displays of e-cigarettes or liquid nicotine are prohibited except in tobacco businesses and locations restricted to persons at least 21 years of age.9 Vending machine sales of e-cigarettes are permitted in bars, private clubs, and tobacco businesses

The interviews found that online exposure to e-cigarettes was mainly reflected on social media, especially WeChat (the most widely used social media platform in China)

Thomas from the Department of Population and Public Health Sciences, Keck School of Medicine of USC, University of Southern California