Below are some of the concerns people have for what is in their marijuana

Hidden Dangers of Propylene Glycol

The possibility that vape pens might expose people to unknown health hazards underscores the importance of adequate safety testing for these products, which thus far has been lacking.

Certainly, anyone who is ill should never take anything that could have toxic chemicals or poisonous microorganisms and their metabolites in it.

Pesticides and Pot: What’s California Smoking?

NOBODY KNOWS WHAT TO DO ABOUT PESTICIDES IN LEGAL MARIJUANA

What’s Really Inside Your Cannabis Vape Cartridge?

Some manufacturers use polyethylene glycol, or PEG. PEGs can be contaminated with ethylene oxide, which the International Agency for Research on Cancer classifies as a carcinogen. It can also harm the nervous system.