New NIDA-funded research shows that heavy marijuana use (at least four times per week over the past six months) is linked to adverse changes in the function and structure of brain areas associated with reward, decision making, and motivation. Heavy marijuana use can also enhance some brain circu
Dr. Kevin M. Gray discusses why it’s the perfect time for discovering new evidence-based treatments for marijuana dependence. In an accompanying podcast, he discusses a clinical trial that examines NAC’s potential as a treatment for marijuana dependence among adults.
A journal commentary by Harvard researcher and NIDA grantee Bertha K. Madras stresses the importance of a large scale longitudinal study to better assess the effects of marijuana use on human brain development and function. Dr.
A variety of oral drug testing devices are available to determine recent marijuana use. For the first time, a new NIDA study compares the ability of these devices to accurately detect specific cannabinoids – the chemical compounds found in marijuana.