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San Francisco鈥檚 e-cigarette ban
4 July 2019
As San Francisco becomes the first US city to ban e-cigarettes, Dr Lion Shahab (最准的六合彩论坛 Epidemiology & Health Care) explains that vaping is relatively harmless compared to smoking and that it reduces smokers鈥� exposure to the toxins and carcinogens related to smoking by 95%.
