This lung damage from e cigarettes is permanent and entirely preventable. Flavored e cigarettes, often marketed with candy like appeal, may be far more dangerous than they seem. A recent case involving a U.S. Cannabis and Lung Health: Does the Bad Outweigh the Good? Pulmonary Therapy Springer Nature Link Vaping cannabis found to expose lung cells to toxic and cancer linked substances Combination of vaping, cannabis and smoking exposure: shorter time to bullous lung disease and pneumothorax