Cancer causing Chemical Formed in E cigarette Users School of Public Health University of Minnesota Exposure to PM2.5 and E cigarette can potentially put you at greater risk of lung cancer . Both exposure to PM2.5 air pollution and e cigarette use are linked to an increased risk of $3.9M grant funds e cigarette flavoring research at Center for Tobacco Research CoEHAR Replica study: "Claim that e cigarette aerosols make cancer cells more resistant to chemotherapy debunked!" CoEHAR Rethinking Vaping