Vietnam bans vapes, will fine tourists up to US$78 and jail e cigarette traders, producers South China Morning Post Vaping can cause cancer, say researchers but still isn't as damaging as smoking cigarettes. More than 5.5 million Britons currently use e cigarettes, which have long been viewed as a safer alternative Can vaping cause cancer? The evidence suggests it might. 2FIRSTS Vietnam Authorities Crack Down on Illegal E Cigarettes Sold on Facebook Vapen Vietnam Vietnam bans vapes, will fine tourists up to US and jail e cigarette traders, E cigarettes Found to Cause Change in Mouth Bacteria Which Could Lead to Gum Disease or Oral Cancer Respiratory Therapy