Disposable e cigarettes and their nicotine delivery, usage pattern, and subjective effects in occasionally smoking adults Scientific Reports UC Davis study: Disposable vapes may be more toxic than cigarettes Disposable vapes are more toxic than cigarettes, contain lead: Study The Anatomy and Chemistry of a Disposable Vape Covalent Online vape retailers ignore rules protecting minors, study finds Los Angeles Times Hidden dangers: Toxic metals found in popular disposable vapes SEATCA