High concentrations of flavor chemicals are present in electronic cigarette refill fluids Scientific Reports Don't be fooled by the smoke or the flavor. Vapes and cigarettes both contain toxic chemicals that can harm your body. #BeSafeDontVape #TobaccoFreeGeneration The Chemistry of Vaping ChemistryViews 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, Vaping isn't just vapor. It's an aerosol filled with nicotine and chemicals that go deep into your lungs and straight into your bloodstream. Many vapes contain: Highly addictive nicotine