Frontiers The new nicotine epidemic: understanding the systemic harms of e cigarettes in the adolescent population In recent years, the number of e cigarette users worldwide has sharply increased, with many believing that vaping is less harmful than smoking traditional cigarettes. However, health experts are warning of its negative While vaping is not risk free, it is less harmful than tobacco Our World in Data Impact of vaping on respiratory health The BMJ Researchers Find Toxic Metals in E Cigarette's Johns Hopkins Bloomberg School of Public Health Tobacco Smoke, Vaping, and Asthma AAFA.org