E cigarettes linked with blood vessel damage National Institutes of Health (NIH) E cigarettes significantly raise risk of chronic lung disease, first long term study finds E cigarettes Found to Cause Change in Mouth Bacteria Which Could Lead to Gum Disease or Oral Cancer Respiratory Therapy New medical research is raising concerns about possible links between vaping and bronchiolitis obliterans also known as popcorn lung, a rare and irreversible lung disease. Health experts say more long term Vaping Nicotine Linked To Increased Risk Of Chronic Lung Disease WUSF Infographic: E cigarettes & Cardiovascular Disease World Heart Federation