The coca leaf, when consumed in its natural form or as coca tea, does not induce a physiological or psychological dependence, nor does abstinence after long-term use produce symptoms typical to substance addiction.
A typical cocaine dose is almost 50 times greater in comparison to chewing whole coca.
- Hanna JM, Hornick CA., "Use of coca leaf in southern Peru: adaptation or addiction," Bull Narc. 1977 Jan–Mar;29(1):63–74.
- "Report of the Commission of Enquiry on the Coca Leaf" (PDF). United Nations Economic and Social Council: 31. May 1950. Retrieved August 4, 2014.
- Jenkins, Amanda J.; Llosa, Teobaldo; Montoya, Ivan; Cone, Edward J. (9 February 1996). "Identification and quantitation of alkaloids in coca tea". Forensic science international. 77 (3): 179–189. ISSN 0379-0738. PMC .
- Biondich, Amy Sue; Joslin, Jeremy David (2016). "Coca: The History and Medical Significance of an Ancient Andean Tradition". Emergency Medicine International. 2016. doi:10.1155/2016/4048764. ISSN 2090-2840. PMC .