Analysis of public wastewater samples in Washington showed an increase in THC levels during the state's legalized cannabis boom.
A higher density of dispensaries was also linked to a more favorable view of cannabis.
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.
A new case study has surprisingly shown that stopping cannabis use may not be necessary to alleviate cannabis hyperemesis syndrome.
A new study from Stanford University contradicts previous research that claimed cannabis legislation was eroding opioid use.
The new group of drug experts, policy workers, and industry partners will work towards creating a more cannabis-friendly ethos in the UK.