How do vapes work and what chemicals are inside them? BTN High What's in Vapes? Escape The Vape Hawaii Vaping lung illness: Harmful chemicals found in e cig flavoring juice Number of children using e cigarettes is surging, WHO reports Young Post Club Vaping is often marketed as a safer alternative to smoking, but many vape products contain nicotine, harmful chemicals, and heavy metals that can harm developing brains and lungs. Vaping Dangers: What Parents Should Know Attorney General Brian Schwalb