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. What Happens if You Swallow Vape Juice? EDGE Vaping Vape companies know exactly what they're doing. With colorful packaging, candy inspired flavors, and influencer style marketing, they make products look fun, harmless, and normal especially to teens. But behind every blue razz E cigarette flavors are toxic to white blood cells, warn scientists