The dangers of e cigarettes: Why UC Davis says they are more toxic than traditional cigarettes Are e cigarettes really a safer alternative to combustible cigarettes? New study reveals disposable vapes may be more toxic! Learn more about how a University of California, Davis study found that some popular The Electronic Cigarette: The Good, the Bad, and the Ugly ScienceDirect Full article: Cognitive and Affective Responses to the U.S. FDA E Cigarette Addiction Warning and Advertisements among Young Adults in California: Product Design, Imagery, and Use