Effects of brief exposure to misinformation about e cigarette harms on twitter: a randomised controlled experiment BMJ Open UMass Chan study finds experts most credible among young adults in social media campaigns Micro Cigarette Electronique Tobacco causes over 1.1 million deaths from noncommunicable diseases (NCD) in the European Region each year. Many of these deaths are preventable. Are current policies strong enoughand fully enforced? 10 Effects of brief exposure to misinformation about e cigarette harms on twitter: a randomised controlled experiment BMJ Open Those gross, graphic warnings on cigarette labels? This study shows they actually work. Vox