Overview

• Researchers tested seven devices from three leading disposable vape brands and found one released more lead in a day’s use than nearly 20 packs of cigarettes
• Three devices emitted nickel above cancer risk thresholds and two released antimony at potentially carcinogenic levels while four exceeded non-cancer risk limits for nickel and lead
• Metal concentrations in aerosols rose with puff count, indicating that exposure intensifies as devices age
• Despite FDA warning letters and import bans, disposable vapes remain the top choice for 55.6% of U.S. youth e-cigarette users
• Authors warn that sampling just three brands highlights the need for broader research and stricter oversight to protect teens from toxic metal exposure