traveling to Vietnam and I smoke e cigarettes. I've read that it's illegal in Vietnam but is it a law that is being followed or not? Asia's E Cig Regulations: Confusion & Uncertainty Tobacco Asia TSET funded research finds that exposure of cancer cells to e cigarette vapor reduces the effectiveness of chemotherapy drugs Tobacco Stops With Me Vaping Damages DNA and Increases Lung Cancer Risk In Mice Technology Networks Teens inhale cancer causing chemicals in e cigarettes, new study shows Vietnam worried about rising e cigarette use among teenagers