U.S. flag

An official website of the United States government, Department of Justice.

What's Known and Unknown about Marijuana (Part One)

Listen to more from NIJ

Marijuana poses many challenges for researchers, law enforcement, and policy makers, challenges that fall into two fields: drug chemistry and toxicology. NIJ scientist Dr. Frances Scott joins this episode to explain the complications in drug chemistry and how difficulties defining marijuana lead to backlogs in crime labs around the country. NIJ Communications Assistant Josh Mondoro hosts. 

Reading and Resources from NIJ:

Other resources:

Date Modified: January 19, 2024

Correction: The article referenced by Dr. Scott as having been published in the 1950s was actually published in 1976. "A Practical and Natural Taxonomy for Cannabis" by Ernest Small and Arthur Cronquist, was published in TAXON in August 1976.

Date Published: January 4, 2024