Do you really know what's in your vape? Formaldehyde, arsenic and lead have all been found inside common vapes. These are toxic chemicals and may lead to serious health issues including cancer. The Dirty Secret Behind the Anti Vaping Movement GonzoEcon Arsenic in Water: What You Need to Know Palintest There are 4,000 chemicals in a cigarette; 60 of these cause cancer and include insecticide, car battery fluid, arsenic poison & hydrogen cyanide. They also produce tar a sticky brown substance