Are mankind and marijuana biological evolutionary partners that cannot be parted without significant consequences? A complex symbiotic relationship appears to exist between man and cannabis, and we see this connection in our physiochemical makeup, our cultural consciousness and memory, our incessant at-all-costs demand for the plant, and as recorded throughout human history. Ultimately, we are who we are today in large part because of our long relationship with the cannabis plant. This article examines the evidence supporting the co-evolution theory and discusses its importance and uncanny timeliness given the current worldwide marijuana legalization movement. Read Full Article Here.