Disposable vapes contain 'more toxic metals than 19 cigarette packs' New study finds disposable vaping devices more toxic than traditional cigarettes Disposable vapes might look harmless with their fun colors and sweet flavors, but scientists have just uncovered a disturbing truth: these devices can pack a toxic punch even stronger than regular cigarettes. Scientists astonished by highly toxic feature found in popular vape products: 'So high I thought our instrument was broken'