Disposable Vapes and Heavy Metal Headaches Grow Strong KC 150 million vapes end up in the landfill each year in the United States., Their plastic cases will persist in our environment for hundreds of years and many contain lead and mercury that can leach UC Davis study: Disposable vapes may be more toxic than cigarettes What Is Vaping? Derby: Dangerous metals found in batch of illegal vapes WHAT'S REALLY INSIDE YOUR VAPE? You wouldn't drink paint thinner or eat car battery fluid, right? But you might be inhaling their ingredients every time you vape! E cigarettes contain toxic chemicals