Vaping and E Cigarettes Causing Outbreak of Respiratory Illnesses, Other Severe Health Problems, and Deaths Sommers Schwartz Vaping, E Cigarettes, and Oral Health. Does Vaping Damage Teeth? JUUL E Cigarettes Harrison County Health Department Print and Download About Vaping Prevention Resources HHS.gov E cigarettes contain hazardous substances, addictive and harmful 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.