E cigarette flavors are toxic to white blood cells, warn scientists 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 Chemicals in vapes could be highly toxic when heated, research finds AI analysis of 180 vape flavors finds that products contain 127 'acutely toxic' chemicals, 153 'health hazards' and 225 'irritants' : r science 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. It causes more harm than other vape flavours