In 2017, Mini Review of The Use of Cannabis for Headache Disorders
BACKGROUND: This review considers historical prescription practices, summarizes the existing reports on the use of cannabis for headache, and examines the preclinical literature exploring the role of exogenous and endogenous cannabinoids to alter headache pathophysiology.
You can read the full article here => http://online.liebertpub.com/doi/pdfplus/10.1089/can.2016.0033