Study: E-cig vapors laden with toxic metals
Coils that heat the liquid nitrogen may contaminate the resulting vapor with lead, chromium, manganese and nickel.
Coils that heat the liquid nitrogen may contaminate the resulting vapor with lead, chromium, manganese and nickel.
E-cigarettes have hooked a new generation of smokers.
Agency also wants other retail restrictions on access to vaping products.
Researchers are uncertain how teens are modifying the devices to get high.