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 The impact of e cigarettes versus traditional cigarettes on long term cardiopulmonary outcomes American Journal of Physiology Heart and Circulatory Physiology American Physiological Society 80.8% people believe that vapes are less harmful than cigarettes VAPE HK E cigarettes: How they work, risks, and research Vaping harms more than just your lungs Know the Risks: A Youth Guide to E Cigarettes Notes View