Despite attempts to blame recent reports of respiratory illnesses among vapers on legal e-cigarettes, investigators are increasingly inclined to think the real problem is hazardous chemicals in black-market THC and nicotine products. The Washington Post reports that “state and federal health authorities are focusing on the role of contaminants or counterfeit substances as a likely cause of vaping-related lung illnesses.” They “are narrowing the possible culprits to adulterants in vaping products…
