Multiple THC vapes have been voluntarily recalled in Michigan after the Cannabis Regulatory Agency (CRA) found they contain an oil that could potentially harm lungs.

comes a few months after the CRA began requiring that the cannabis oil used in vape pens be tested for the diluting agent MCT (medium chain triglycerides) oil before those products make it to ...

which is sometimes used as a carrier oil to thin cannabis extract enough to make it easier to vape in a prefilled cartridge. This practice is more common in the illicit markets, where there is no ...