Cannabinoids can be agonists, inverse agonists or inhibitors. The agonists simply stimulate a bodily function once they adhere to their respective receptors. Inverse agonists associate themselves with the same receptors as agonists, while causing a chemical reaction opposite to the ones caused by agonists. Inhibitors simply stop a chemical reaction or response once bound to their receptors.
Whether the drug and non-drug, cultivated and wild types of Cannabis constitute a single, highly variable species, or the genus is polytypic with more than one species, has been a subject of debate for well over two centuries. This is a contentious issue because there is no universally accepted definition of a species. One widely applied criterion for species recognition is that species are "groups of actually or potentially interbreeding natural populations which are reproductively isolated from other such groups." Populations that are physiologically capable of interbreeding, but morphologically or genetically divergent and isolated by geography or ecology, are sometimes considered to be separate species. Physiological barriers to reproduction are not known to occur within Cannabis, and plants from widely divergent sources are interfertile. However, physical barriers to gene exchange (such as the Himalayan mountain range) might have enabled Cannabis gene pools to diverge before the onset of human intervention, resulting in speciation. It remains controversial whether sufficient morphological and genetic divergence occurs within the genus as a result of geographical or ecological isolation to justify recognition of more than one species.
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Beth Moore is the founder of Living Proof Ministries and the author of numerous bestselling books and Bible Studies, including Praying God’s Word, Believing God, and Audacious. For more than 20 years, her mission has been to reach and teach women how to live a life of love and trust in God's Word. Her most recent study, The Quest, takes women on a Scripture-filled journey into deeper intimacy with our loving God.
In this report, researchers reviewed 16 previously published studies testing the use of various cannabis-based medicines in the treatment of chronic neuropathic pain and found some evidence that cannabis-based medicines may help with pain relief and reduce pain intensity, sleep difficulties, and psychological distress. Side effects included sleepiness, dizziness, mental confusion. The authors concluded that the potential harm of such medicines may outweigh their possible benefit, however, it should be noted that the studies used a variety of cannabis-based medicines (e.g. inhaled cannabis and sprays and oral tablets containing THC and/or CBD from plant sources or made synthetically), some of which are more likely to result in these side effects than products without THC.