An understanding of the subspecies of the cannabis plant is imperative for a well-rounded comprehension of the history of cannabis and the role it plays in today’s modern era. Cannabis sativa, often described as “marijuana,” has psychoactive properties. On the contrary, Cannabis sativa L., commonly referred to as “hemp,” is a non-psychoactive form of cannabis. Further psychoactive species of cannabis are found in Cannabis indica and Cannabis ruderalis. Notably, however, Cannabis ruderalisis rarely used recreationally due to low Tetrahydrocannabinol (THC) content; these strains are high in the cannabinoid Cannabidiol (CBD), and hence are often used by medical users. Cannabis has often been described as a plant that follows humans. It is perhaps for this reason that the history of cannabis is extensive and dates back thousands of years.
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