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. Smoking: Effects, Risks, Diseases, Quitting & Solutions According to the CDC, There are no safe tobacco products, including e cigarettes. E cigarettes should not be used by youth, young adults, or people who are pregnant. Adults who have never smoked or While vaping is not risk free, it is less harmful than tobacco Our World in Data Student Vaping Still a Health and Safety Issue in Schools NEA Increased e cigarette use prevalence is associated with decreased smoking prevalence among US adults Harm Reduction Journal Springer Nature Link