Vaping the sweetener sucralose may produce toxic chemicals Vaping releases toxic chemicals, including heavy metals, as well as ultrafine particles that go deep into the lungs. These increase the risk of heart and lung disorders. Vaping lung illness: Harmful chemicals found in e cig flavoring juice Myth! ~ Have you heard that e liquid is full of harmful chemicals? It's not true it's only got 4 ingredients. #vaping #vape #vapeuk #ecig #vapour Study Measures the Effects of JUUL Vaping on Users and their Surrounding Environment Thirdhand Smoke Resource Center 8 Vape Juice Ingredients to Avoid Toxic e Liquid Flavors