Analysis of public wastewater samples in Washington showed an increase in THC levels during the state's legalized cannabis boom.
The UK's first legal cannabis clinic will be able to prescribe for a range of debilitating conditions, such as chronic pain and neurological disorders.
While it's been legal in the US for months, a unit of hemp still doesn’t have a recognized name or an agreed-upon quantity. But some Oregon hemp growers are trying to change that.
A higher density of dispensaries was also linked to a more favorable view of cannabis.
Researchers have identified the first genetic marker associated with cannabis use addiction.
Using brain monitoring techniques, researchers attempted to find out why the brain becomes dependent on cannabis, and why not all cannabis users develop an addiction.
A new study of ancient incense burners in western China has turned up some of the earliest evidence of cannabis smoking.
Canadian researchers release their five guidelines to help inform any cannabis-using parent-to-be on the plant's fertility risks.