E cigarettes: How they work, risks, and research While vaping is not risk free, it is less harmful than tobacco Our World in Data Don't be foolede cigs or vapes may be less harmful than cigarettes, but less harmful doesn't mean safe. Vapes can contain harmful substances including nicotine, heavy metals like lead, volatile organic compounds and Know the Risks: A Youth Guide to E Cigarettes Notes View Vaping harms more than just your lungs Thinking through the facts about smoking versus ecigs vaping to keep kids and communities safer and healthier HaRRT Center