Understanding the Hidden Health Risks of Vaping UL Research Institutes 150 million vapes end up in the landfill each year in the United States., Their plastic cases will persist in our environment for hundreds of years and many contain lead and mercury that can leach UC Davis study: Disposable vapes may be more toxic than cigarettes Recent studies have found metal within vaping dispensers, which can be toxic when inhaled. #Aspirus Respiratory Therapist Sarah Schroeder sat down with WSAW NewsChannel 7's Kassandra Sepeda WSAW and Sean Caldwell to Macroscopic Metals The Real Cost