Frontiers Examining the impact of social media on youth vaping behavior in China: an analysis of the mediating role of perceptions of policy enforcement Community Medical Centers The rise of e cigarettes: addictive and deadly Primary health effects from smoking. Figure 1 used with permission from Download Scientific Diagram Some reports state that these new, flavored smoking devices are less harmful than tobacco cigarettes but how safe is vaping? In this third part of a four part series, China Daily examines the