The Dangers of Vaping Oral Health Perspective Smoking: Effects, Risks, Diseases, Quitting & Solutions 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. Vaping May Increase Respiratory Disease Risk by More Than 40 Percent SPH Health Effects Vaping Information, Solutions & Interventions Toolkit Stanford Medicine Fears vaping could cause Cancer Healthwatch Barnsley