While vaping is not risk free, it is less harmful than tobacco Our World in Data Secondhand smoke and secondhand aerosol The Impact of E Cigarettes and Asthma: What You Need to Know Tobacco Smoke, Vaping, and Asthma AAFA.org Vaping Safety, Smoking, Dangers, Pros, Cons, Debate, E cigarettes, & Tobacco Britannica Vaping Produces Far Less Second Hand Nicotine Than Smoking Respiratory Therapy