https://pubchem.ncbi.nlm.nih.gov/compound/16078

Chemistry and pharmacology of dronabinol (THC).

http://www.drugabuse.gov/publications/drugfacts/marijuana

National Institute on Drug Abuse site for marijuana.

https://www.drugabuse.gov/drugs-abuse/synthetic-cannabinoids-k2spice

National Institute on Drug Abuse site for synthetic marijuana (“K2” or “spice”).

http://adai.uw.edu/marijuana/factsheets/dependence.htm

UW’s Alcohol & Drug Abuse Institute factsheet about marijuana dependence.

http://medicalmarijuana.procon.org

Information about medical marijuana.

https://www.youtube.com/watch?v=hgSXFLJaDrU

Video animation describing the brain’s response to marijuana.

https://www.news-medical.net/health/Cannabinoid-Receptors.aspx

Recent news about cannabinoid receptors.