The director of the Oklahoma Bureau of Narcotics highlights a surge in illegal marijuana farms linked to organized crime.

With the increased legalization of recreational cannabis, as many as 1 in 5 pregnant women in the U.S. are now using the drug ...

Ever since the use of recreational marijuana was legalized in New York and many other parts of the country, greater numbers ...

Cannabis use causes cellular damage that increases the risk of highly cancerous tumors, according to a new paper published in ...

There was no clear evidence of marijuana legalization directly reducing opioid use or abuse. However, some research indicates ...

With the increased legalization of recreational cannabis, as many as 1 in 5 pregnant women in the U.S. are now using the drug ...

Does smoking cannabis recreationally cause cancer and birth defects? Researchers are painting a sobering picture of what this ...