E cigarette and heated tobacco products use and sales in Viet Nam have declined, but illegal sales and hidden use remain a challenge. Using these products is illegal and can lead to fines The Science Lung Cancer Europe European Lung Cancer Advocacy Network A new peer reviewed paper has added weight to concerns about vaping and cancer risk. It brings together evidence from human, animal Perceptions of e cigarette harm among cancer survivors: Findings from a nationally representative survey ScienceDirect E Cigarette effects on oral health: A molecular perspective ScienceDirect