E cigarettes have 10 times more carcinogens, Japanese researchers say South China Morning Post E cigarettes Stress Lungs, Impair Protein Function News Release PNNL The Truth About E Cigarettes: What Parents, Teens & the Public Should Know Pine Rest Newsroom Lawmakers consider proposal to combat 'illicit' Chinese e cigarettes Sunflower State Journal Carcinogens found in regular cigarettes are in e cigarettes, too, study finds The Washington Post E cigarettes with cigarette like nicotine delivery reduce exposure to carcinogen Penn State University