Fact
Some studies have found vapes to contain lead, nickel, tin, silver, formaldehyde, manganese, toluene, and other chemicals linked to cancer and central nervous system problems.
Source 1:
Williams, M., Villarreal, A., Bozhilov, K., Lin, S., & Talbot, P. (n.d.). Metal and silicate particles including nanoparticles are present in electronic cigarette cartomizer fluid and aerosol. Retrieved from https://www.ncbi.nlm.nih.gov/pubmed/23526962
Source 2:
Metal Concentrations in e-Cigarette Liquid and Aerosol Samples: The Contribution of Metallic Coils. (n.d.). Retrieved from https://ehp.niehs.nih.gov/doi/10.1289/ehp2175