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.

As marijuana sales increase across the board ... He says the potency of THC in the average vape pen is also a major problem. "The story about concentrates is that the amount of THC that's present ...

On the other hand, research on the health effects of marijuana is sparse because it remains federally illegal. Plus, no two vape brands are alike; there is a huge variety of products available on ...