Vape Waste 2 Disposable vapes contain 'more toxic metals than 19 cigarette packs' A new study from the University of California, Davis, reveals that popular disposable vapes from brands like ELF Bar, Esco Bar, and Flum Pebble emit more lead than smoking 20 packs of What We Know About Vaping Smokefree How to Dispose of Disposable Vapes HIPPO Toxic metals in vapes may pose major health risks for youth, study finds National Globalnews.ca