Supporting literature suggests a role for medicinal cannabis and cannabinoids in several types of headache disorders including migraine and cluster headache, although it is primarily limited to case based, anecdotal, or laboratory-based scientific research.
Link: Comprehensive Review of Medicinal Marijuana, Cannabinoids, and Therapeutic Implications in Medicine and Headache: What a Long Strange Trip It's Been …
Year: 2015
DOI: 10.1111/head.12570
Likely probability of the efficacy of cannabis for treatment of Migraine according to the results found in this study.
Cannabis
Cannabinoids