Trends in social norms toward cigarette smoking and e cigarette use among U.S. youth between 2015 and 2021 Connections Heated Tobacco Products, Cigarettes, and E Cigarettes: What's the Difference PMI Science E Cigarette vs. Traditional Cigarette: Health Risks, Research Gaps, and Counseling Considerations Are E Cigarettes the Right Choice? SiOWfa15: Science in Our World: Certainty and Controversy ? () Although often promoted as safer than traditional cigarettes, e cigarettes still harm the body in many ways. 1. Health Risks Most vapes contain nicotine,