Hidden dangers: Toxic metals found in popular disposable vapes SEATCA Most young users put disposable e cigarettes in trash, creating huge streams of toxic and hazardous waste, as companies fail to take responsibility All E Cigarettes Emit Harmful Chemicals, but Some Emit More Than Others Berkeley Lab Berkeley Lab News Center 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. New study finds disposable vaping devices more toxic than traditional cigarettes