Is your marijuana safe? Lack of data makes it hard to know in the long term
- States legalized marijuana and faced the challenge of guaranteeing product safety.
- Little data existed regarding the long-term risks posed by pesticides and other contaminants.
- Colorado requires growers and manufacturers to test for yeast, mold, bacteria, pesticides, and heavy metals.
- A 2013 study found pesticides transferred to users, and Jeff Raber noted "Safe' is a funny word."
- States based regulations on imperfect evidence, and understanding safety risks remains an evolving picture.
17 Articles
17 Articles

Is your marijuana safe? Lack of data makes it hard to know in the long term
When Colorado and other states began legalizing marijuana more than a decade ago, they faced a problem: how to guarantee a safe product, with little data about the long-term risks of pesticides and other contaminants. “‘Safe’ is a funny word,” both because what is harmful to one person may not be for another, and because people vary in their risk tolerance, said Jeff Raber, CEO of marijuana consulting company The Werc Shop and an instructor in t…
Why ganja should be re-legalized in India
GreenState regularly shares contributor perspectives on the industry and trends. The ideas expressed here are wholly those of their author and do not necessarily reflect those of GreenState’s newsroom. Ganja has deep roots in the Himalayan foothills, evolving naturally over the last 10 million years. Human interaction with cannabis began around 10,000 years ago when settlers in the region began using it for food, construction, medicine, ritual, …
Coverage Details
Bias Distribution
- 79% of the sources are Center
To view factuality data please Upgrade to Premium
Ownership
To view ownership data please Upgrade to Vantage