Thousands of Unknown Chemicals Found in E Cigarettes Respiratory Therapy What is an e cigarette? BBC Science Focus Magazine Le pendentif antidouleur coudrier, sauvage, magntiser How Do E cigarettes Affect Vocal Fold Health?: With ASHFoundation funding, Elizabeth DiRenzo has extended her work on the effects of inhaled tobacco to include e cigarettes.: The ASHA Leader Archive: Vol 24, No E cigarette additives increase inflammation and impair lung function, study finds ecancer