While CBD predominantly has acute anxiolytic effects, some species discrepancies are apparent. In addition, effects may be contingent on prior stress and vary according to brain region. A notable contrast between CBD and other agents that target the eCB system, including THC, direct CB1R agonists and FAAH inhibitors, is a lack of anxiogenic effects at a higher dose. Further receptor-specific studies may elucidate the receptor specific basis of this distinct dose response profile. Further studies are also required to establish the efficacy of CBD when administered in chronic dosing, as relatively few relevant studies exist, with mixed results, including both anxiolytic and anxiogenic outcomes.
Because I never go downtown, I had to stop for a latte at my favorite coffee shop—and a second CBD pick-me-up. By the time I stepped into the crowded Indie Beauty Expo, I felt calm and happy. As an introvert, I usually have a hard time making small talk at events. But post-CBD oil, I felt comfortable enough to chat up a storm with every person I met! Three hours later I dragged myself out of the huge exposition and made it to my meditation class, where I took another dropper of CBD oil. Although I really love meditating, I find it particularly challenging to get into the “zone” after a long day at work. Not so much after taking some CBD—it was easy to calm my mind and tune into my breath, despite how fast-paced my day had been.
Sourcing: In addition to formatting of CBD, the sourcing may make a difference in terms of quality. The modality of CBD extraction used to isolate the CBD may affect its quality and efficacy. Examples of some common extraction techniques include: carrier-oil extraction, CO2 extraction, and alcohol extraction. Implications of sourcing and extraction techniques should be considered by researchers.
Until 2017, products containing cannabidiol that are marketed for medical purposes were classed as medicines by the UK regulatory body, the Medicines and Healthcare products Regulatory Agency (MHRA) and could not be marketed without regulatory approval for the medical claims. CBD oil with THC content not exceeding 0.2% was legalized throughout the UK in 2017. Cannabis oil, however, remained illegal to possess, buy and sell.
A study published in 2008 indicated that CBD injections into the dorsolateral periaqueductal gray area of rats reduced anxiety via 5-HT1A receptor interaction. Researchers noted that the 5-HT1A receptors were more involved than cannabinoid receptors (e.g. CB1) in reducing anxiety. The study concluded that cannabidiol interacts directly with 5-HT1A receptors to yield an anxiolytic response.
Evidence indicates that CBD is an effective intervention for neuropsychiatric anxiety disorders such as: generalized anxiety disorder, social phobia, panic disorder, PTSD, and OCD. Researchers believe that its anxiolytic effects are principally a result of its affinity for 5-HT1A and CB1 receptors. While further research is warranted regarding long-term use of CBD oil for anxiety, authors note that it does not increase anxiety, has minimal sedation, and is extremely safe when used over a short-term.
Regardless of how CBD oil induces hippocampal neurogenesis, the growth of new brain cells may be enough to decrease anxiety. A report published in 2015 documented that increasing adult neurogenesis (regardless of the modality) is sufficient enough to decrease anxiety. Therefore, it could be that CBD is an effective anxiolytic predominantly through mechanisms implicated in neurogenesis.
Many people find CBD helpful in the treatment of sleep disorders like insomnia, insufficient sleep, and restless leg syndrome. Sleep disorders refer to changes in sleeping patterns or habits that negatively impact health. Sleep disorders are surprisingly common, affecting 50-70 million adults in the United States. Unfortunately, most physicians prescribe pharmaceuticals to combat sleep disorders rather than managing the disorder naturally. Medications like sleeping pills and allergy/cold medicine are habit forming, unhealthy, and induce negative side effects when taken regularly. Your body develops psychological dependency to sedative hypnotic drugs like Ambien and Lunesta, and they often leave you with residual feelings of grogginess in the morning, even after a full 8 hours of sleep. The good news is that natural, plant-based remedies like CBD have helped thousands get off pharmaceutical sleeping pills. In addition to making lifestyle changes that facilitate a better night’s sleep, ingesting CBD oil before bed will help provide you with a restful night’s sleep – naturally.
Accordingly, CB1R activation has been suggested as a target for anxiolytic drug development [15, 43, 44]. Proposed agents for enhancing CB1R activation include THC, which is a potent and direct agonist; synthetic CB1R agonists; FAAH inhibitors and other agents that increase eCB availability, as well as nonpsychoactive cannabis phytocannabinoids, including CBD. While CBD has low affinity for the CB1R, it functions as an indirect agonist, potentially via augmentation of CB1R constitutional activity, or via increasing AEA through FAAH inhibition (reviewed in ).
CBD = cannabidiol; HV = healthy controls; DBP = double-blind placebo; SAD = social anxiety disorder; HC = healthy controls; SPECT = single-photo emission computed tomography; rCBF = regional cerebral blood flow; fMRI = functional magnetic resonance imaging; HPC = hippocampus; HYP = hypothalamus; PHG = parahippocampal gyrus; STG = superior temporal gyrus; MTG = medial temporal gyrus; ACC = anterior cingulate cortex; PCC = posterior cingulate cortex
CB1 + CB2 receptor (inverse agonist): Most evidence suggests that CBD oil has a low affinity for CB1 and CB2 receptor sites as an inverse agonist. In other words, it binds to the CB1 and CB2 receptors but exerts the pharmacologically opposite effect to an agonist. This differs from a CB1/CB2 antagonist which solely binds to these receptors and blocks stimulation from endocannabinoids.
In addition to positively affecting the endocannabinoid system, CBD has been the focus of more than 23,000 published studies about cannabinoids in relation to various medical indications including anxiety, epilepsy, inflammation, cancer and chronic pain to name few. For a more comprehensive look at these and other studies, visit our medical research and education page.
Most CBD oils are available in round-number concentrations such as 250mg, 500mg, and 1,000mg. While these strengths accommodate many CBD users, they may not be sufficient for those with preferences that fall outside round numbers. NuLeaf Naturals offers a less conventional selection of concentrations: 240mg, 725mg, 1,450mg, 2,425mg, and 4,850mg. This range ensures that most users will find a strength that works for them.
The scientific evidence for CBD's ability to quell anxiety, dampen psychosis, and lift the mood is patchy at the moment, although the National Institute on Drug Abuse is optimistic: "CBD has shown therapeutic efficacy in a range of animal models of anxiety and stress, reducing both behavioral and physiological (e.g., heart rate) measures of stress and anxiety."
Although the science is still unclear on the subject, cannabis oil is being considered as a natural cancer treatment as well as cancer preventer option because it may decrease the size of tumors and alleviate nausea, pain, lack of appetite and weakness. The U.S. Food and Drug Administration has not approved alternative cannabis oil cancer treatment or use of cannabis oil for any other medical condition, but research shows that it has some anti-cancer properties.
Anti-inflammatory: Many individuals with neuropsychiatric disorders have severe inflammation, particularly neuroinflammation. Neuroinflammation is associated with many causative underpinnings including: air pollution, brain injuries, viruses, and even standard aging. This increase in inflammation can lead to glial cell and cytokine abnormalities, each of which could contribute to anxiety disorders. CBD has been shown to reduce neuroinflammation, which in turn may directly improve anxiety, as well as cognitive function and mood.
I was expecting CBD to work like a sleeping pill, in that it would put me to sleep almost instantly. It did not do that. And while it didn't seem to have any wild effects on how long it took me to get to sleep, the quality of my pre-sleep bedtime was way more relaxed than that of the week before, when I would lie awake thinking about deadlines, to-dos, and the way I really wish I had responded to that text. (Did I mention I'm Type A?)
Concern about the dangers of marijuana abuse led to the banning of cannabinoids for medicinal use in the U.S. and many other countries in the 1930s and 1940s. It took decades until they came to be considered again as compounds of therapeutic value, and even now their uses are highly restricted yet more and more states have now legalized medical marijuana.
Look for what are known as “full-spectrum” CBD products. These products contain other compounds of the hemp plant in addition to CBD. It’s believed that the compounds work together to provide the claimed benefits, much as eating an orange is usually a better choice than drinking orange juice. One key exception is if you’re subject to workplace drug testing. A CBD isolate, in which the rest of the plant’s compounds are removed, should reduce the already tiny chance of trace amounts of THC being present.
Bonn-Miller also explained that it's imperative to exhaust the traditional and established front-line treatments that are available before seeking out these products. "CBD is not really a first-line treatment for anything," he said. "You don’t want situations where somebody says, 'I have cancer I'm going to forgo chemotherapy because I read something about CBD or THC helping with cancer.'" That's not a good idea, Bonn-Miller said. "Not only is the science not there, but you may end up worse off."
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