Nearly half of the labels on cannabis plant products recently tested in Colorado misstated the potency, according to a University of Colorado Boulder study published in the journal Scientific Reports.

Thanks for Laura Ungar’s Associated Press article “More people are addicted to marijuana, but fewer of them are seeking help, experts say” (Nov. 25, Nation): As a person who smoked marijuana in the ...

Arizona dispensaries are pulling cannabis products from shelves due to mold and lead contamination. The Arizona Department of Health Services issued voluntary recalls for the affected products.

Forbes contributors publish independent expert analyses and insights. Emily Earlenbaugh covers cannabis science and culture. The type of cannabis you choose can make a big difference on the experience ...