New HRB paper examines the value and safety of electronic cigarettes as a smoking cessation intervention HRB Health Research Board Don't Fall for the Safety Myth of Vaping & E Cigarettes Addressing the challenges of E cigarette safety profiling by assessment of pulmonary toxicological response in bronchial and alveolar mucosa models Scientific Reports Flavor induced inflammation and cytotoxicity in human aortic smooth muscle cells: Potential implications for E cigarette safety ScienceDirect