Smoking, vaping called a deadly combination for lung cancer risk UPI.com E cigarettes are likely to cause lung cancer and oral cancer 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 Vaping Possible Negative Effects on Lungs: State of the Art From Lung Capacity Alteration to Cancer Cureus