Can vaping damage your lungs? What we do (and don't) know Harvard Health HealthMatch Vaping may be safer than cigarettes, but it's not safe Moffitt experts note that switching to vaping may reduce harm for people who smoke, but it's not risk free, and the safest choice is still not to start. Balancing two priorities is key Vaping has become common, but it's important to know what you're inhaling. Many e cigarettes contain nicotine, heavy metals like nickel and lead, and chemicals that can harm your lungs and overall health. While vaping is not risk free, it is less harmful than tobacco Our World in Data Can vaping increase your risk of COVID 19? The Village Doctor