Another Expert Points Out Flaws in ‘Metals in E-Liquid’ Study

The study titled Metal Concentrations in e-Cigarette Liquid and Aerosol Samples: The Contribution of Metallic Coils, was published in Environmental Health Perspectives. The study authors tested liquids in the refilling dispensers, aerosol, and remaining e-liquid in tanks from 56 vapers, and reported potentially unsafe levels of arsenic, chromium, manganese, nickel and lead. The researchers concluded