Vaping: Know the Dangers Rady Children's Health Exploring the Impact of E cigarettes on Cardiovascular Health: Insights from Preclinical and Clinical Studies Cardiovascular Toxicology Springer Nature Link e Cigarettes, Vaping and the Risks of Severe Lung Disease Canyonlands Healthcare E cigarettes: May be healthier for your lungs but not your oral health: Shine DDS: Family Dentists E Cigarettes: Perspectives, Regulation and Health Effects Nova Science Publishers 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.