Assertion: marijuana's chemical | /r/RelatedTo | thc
Facets:
Source sentences:
text: As part of its mandate to study drug abuse and addiction and other health effects of both legal and illegal drugs, NIDA funds a wide range of research on marijuana (cannabis); its main psychotropic ingredient, delta-9-tetrahydrocannabinol (THC); and chemicals related to THC (cannabinoids), including: