Vaping Produces a Chemical that Destroys Human Tissue, Research Shows Newsroom Scripps Health E cigarettes remain the most commonly used tobacco product among middle and high school students in the United States, according to the Instagram E Cigarettes & Vaping, Chemical Safety Chemical Insights Vaping, Environmental Toxicants Exposure, and Lung Cancer Risk All E Cigarettes Emit Harmful Chemicals, but Some Emit More Than Others Berkeley Lab Berkeley Lab News Center Vaping is especially harmful to individuals under the age of 25, as their brains are not yet fully developed. The chemicals found in vapes can cause problems with memory and retaining information,