Vaping MouthHealthy Oral Health Information from the ADA Vaping likely to cause cancer: New research warns A major review led by researchers at UNSW Sydney says nicotine vaping may be linked to both lung cancer and oral Tobacco control UICC A comparison of the major toxins and adverse health effects of smoking Download Scientific Diagram Results from the Annual National Youth Tobacco Survey (NYTS) FDA 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.