Evidence update on the cancer risk of vaping e cigarettes: A systematic review Does Vaping Reduce Lung Cancer Risk? Insights from an Oncologist Dr Saadvik Raghuram One of the most serious risks of vaping? A condition called popcorn lung, or bronchiolitis obliterans. It's rare, but when it hits, it's permanentscarring the smallest airways in the lungs and causing Is Vaping Linked to Lung Cancer? We Turn to Mice.