Popcorn Lung: Teenager Struggles To Breathe After Developing Rare Condition Due To Vaping Secretly Times Now Can Vaping Cause Lung Cancer? Here's What We Know. It's a Fact. Vaping Can Cause Popcorn Lung Poster ToucanEd New lung scans prove vaping is toxic. The science is officially in. Scans show that teens have developed "popcorn lung" as a result of vaping. It's a permanent, chronic disease that shortens