New Studies Extinguish Notion of e Cig Safety Holistic Primary Care NIH funded studies show damaging effects of vaping, smoking on blood vessels National Institutes of Health (NIH) E cigarettes Stress Lungs, Impair Protein Function News Release PNNL Most E cigarette Users Ages 18 to 29 Never Smoked Before American Cancer Society Research team proposes ways to regulate and better manage e cigarette use E cigarette flavors decrease perception of harm among youth Department of Family Medicine