E Cigs and Your Teeth: Should Vapers Be Worried? E Cigarette Direct 25% of grade 12 students now #vape in the US. Even with a scarcity of data, we know vaping causes #airway injury. We are heading towards a vaping related #COPD and #lungcancer epidemic National Emphysema Foundation E cigarettes are Poor Substitutes for Conventional Smoking in COPD Patients COPD: Smoking's Devastating Impact & Vaping Risks Nicotine Poisoning from Disposable Vapes: Symptoms & Aid