(FYI, if you're concerned about whether or not Charlotte's Web is legal, their PR kindly sent me this statement: "Regarding legality, CW Hemp is compliant with U.S. law regarding the manufacture and sale of dietary or food supplements. Our products meet the EU standard of less than 0.2% THC to be regarded as hemp and we market our products as a food supplement and adhere to those labeling laws." Phew.)
All of this makes CBD remarkably difficult for even the most dedicated health care providers to manage safely. Dr. Kelly Knupp, an associate professor of pediatrics and neurology at the University of Colorado, and the director of the Dravet Syndrome program at Children’s Hospital Colorado, said families of epileptic children have tried to bring CBD oils to the hospital for testing. “They’re just concerned that they don’t know exactly who’s growing [the hemp],” Knupp said. “They know it’s not being regulated.” But because CBD is a Schedule I controlled substance, high-tech, regulated laboratories, like those at the University of Colorado, can’t accept, store, or test CBD oils, lest they risk prosecution. “There is no such lab that can take that product,” Knupp said, which leaves any testing up to the unregulated testing centers that cater to the cannabis industry.
CBD is showing real promise as a compound that can contribute to protecting the brain, thanks to its anti-oxidant and anti-inflammatory abilities. Scientists are investigating its role in neurogenesis and its ability to help the brain heal from injury, and as a treatment for neurodegenerative disease. Research suggests that CBD may help to reduce brain damage from stroke or other neurological injury. And CBD is increasingly looked to as a possible therapy for several neurodegenerative diseases, including Parkinson’s, Alzheimer’s, and multiple sclerosis.
Guzmán is a biochemist who’s studied cannabis for about 20 years. I visit him in his office at the Complutense University of Madrid, in a golden, graffiti-splotched building on a tree-lined boulevard. A handsome guy in his early 50s with blue eyes and shaggy brown hair tinged with gray, he speaks rapidly in a soft voice that makes a listener lean forward. “When the headline of a newspaper screams, ‘Brain Cancer Is Beaten With Cannabis!’ it is not true,” he says. “There are many claims on the Internet, but they are very, very weak.”
In terms of recent scientific investigations on the topic, in 2011 a group of researchers conducted a study that revolutionized the thoughts about CBD and anxiety. They took 10 people with social anxiety who had never had any treatment for this disorder and divided them into two groups. One group was given 400mg of CBD and the other a placebo. The results showed that those who had received the CBD oil had successfully improved their anxiety symptoms compared to the placebo.
A study conducted by Martin-Santos et al. (2012) aimed to compare the acute effects of two notable cannabinoids: CBD (cannabidiol) and THC (tetrahydrocannabinol). Researchers recruited 16 healthy males and set up a randomized, placebo-controlled, double-blind, cross-over trial. The 16 participants received three consecutive single-dose agents administered 1-month apart in the following order: 10 mg THC (oral) – first month, 600 mg CBD (oral) – second month, or a placebo – third month.
There are thousands of unique varieties of hemp. The cultivars used for CBD oil contain significantly higher concentrations of CBD than others. Using these uniquely potent plants, it is possible to extract cannabis oil that contains significant levels of cannabidiol, as well as essential vitamins, minerals, fatty acids, terpenes, flavonoids, and other non-psychoactive cannabinoids.
To determine the effects of each substance, physiological measures were collected along with symptom ratings approximately 1, 2, and 3 hours post-administration. Post-trial assessment of physiological measures indicated that compared to placebo and CBD, administration of THC caused anxiety, dysphoria, positive psychotic symptoms, neurophysiological sedation, and elevated heart rate. Strikingly, there appeared to be no significant differences between CBD and placebo on physiological or symptomatic measures.
The human body also produces cannabinoids, known as endocannabinoids, in a bodily system known as the endocannabinoid system (or ECS). The ECS promotes homeostasis by regulating a wide range of functions, including motor skills, mood, appetite, and sleep. As we age, our ECS produces fewer endocannabinoids; they may also decrease due to physical injury or disease. Replenishing depleted endocannabinoids with phytocannabinoids like CBD can help restore balance to the body.
In case you are unfamiliar, ipsapirone is classified as a 5-HT1A partial agonist that is understood to exert antidepressant and anxiolytic effects. Although it isn’t approved by the FDA to treat any conditions, it is commonly used as a research chemical. Additionally, the drug Valium is understood to be a potent benzodiazepine that acts as a positive allosteric modulator at GABAA receptors; it is FDA approved for acute anxiety.
The seizures started in May 2013 when she was six months old. Infantile spasms, they were called. It looked like a startle reflex—her arms rigid at her side, her face a frozen mask of fear, her eyes fluttering from side to side. Addelyn Patrick’s little brain raced and surged, as though an electromagnetic storm were sweeping through it. “It’s your worst possible nightmare,” her mother, Meagan, says. “Just awful, awful, awful to watch your child in pain, in fear, and there’s nothing you can do to stop it.”
American veterans have been vocal in the discourse regarding medical marijuana. Scientists found that people with Post Traumatic Stress Disorder (PTSD) are deficient in endocannabinoids. They also found that CB1 receptors signal the deactivation of traumatic memories. PTSD is increasingly popping up on states’ lists of qualifying conditions for medical marijuana. In June 2017, Colorado added PTSD to its list making it the ninth and most recent qualifying condition. New York added PTSD to its tightly controlled program this year after pressure from veterans groups made its way to the governor. Those affected by PTSD often suffer from extreme anxiety, drastically impacting their life and ability to interact with others.
With some of the dreadful reactions I have had to medications I mostly say no to drugs. The psychotropics turn me psycho. I read about addictions and have been through thus…I went off cold turkey with pain medication, antidepressants, anti psychotics, anti anxiety…I do not care to go through anything like that again. If I can get something stronger than an OTC I only want a low dose and do not want to go through what I did in 2010 again. This is where I am currently. Maybe my pain is not as severe as pain is for others. I do know what withdrawal is like and…I have had a good life all in all. I endeavor to be content and learn what I can. I do know what does not work for me.
But all was not well. Harper has continued to experience health issues related to her condition. And seven months after starting to use CBD oil, Harper’s seizures returned— although not as frequently as before. Penny uses eleven iPhone reminders to keep track of Harper’s daily regimen of medications and food, and she records all of Harper’s seizures in a thickly bound black book. But as her parents continue to closely monitor Harper’s health and adjust her medications accordingly, her doctors are tightly limited in the advice they can offer when it comes to CBD oil. “There’s no research on this product, so they don’t say it’s good or bad. They just say, ‘Don’t stop giving it,’” Penny told me.
As it turns out, healthy sleep-wake cycles are extremely dependent on our state of “alertness” during the day. If you are a victim of insomnia, for example, you (along with millions of other individuals) are likely drowsy, fatigued, and generally “out-of-sorts” during the afternoon. As you might imagine, this wreaks havoc on your sleep-wake cycle as it makes it nearly impossible to enter and maintain the non-REM sleep that you need at night.
With the re-introduction of CBD in the market, as well as its legalization in the United States and in several other countries across the globe, the production of CBD by various brands and its consumption for numerous conditions is rising. Looking for the best CBD tincture for sleep can be a task pretty time-consuming, and so, you need to hold on to patience. The easiest way to sort out your path towards a suitable CBD oil is by surfing through customer reviews about a particular product.
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."
The nervous system’s endocannabinoid system is not well understood. But it’s thought to play a role in regulating pain, sleep, mood, memory, appetite, and other cognitive and physical processes. Because CBD is able to mimic the actions of some natural brain chemicals, its potential therapeutic benefits are wide-ranging but—at this point—nebulous. “We know that cannabidiol modulates the endocannabinoid system, but we don’t know how it works,” Szaflarski says. That said, there are theories.
Now 13, Jackson — whose diagnosis is undetermined — continues to use marijuana every day. (Like many patients, he ingests it in droplet form, which allows for more precise dosing and avoids lung problems.) He still has seizures, but they are less severe and they occur once every week or two, down from around 200 a month before he started using cannabis. He is back in school full time and is well enough to go on hikes and bike rides with his family.
Laboratory evidence indicated that cannabidiol may reduce THC clearance, increasing plasma concentrations which may raise THC availability to receptors and enhance its effect in a dose-dependent manner. In vitro, cannabidiol inhibited receptors affecting the activity of voltage-dependent sodium and potassium channels, which may affect neural activity. A small clinical trial reported that CBD partially inhibited the CYP2C-catalyzed hydroxylation of THC to 11-OH-THC.
Very detailed and well researched article, thank you. I would like to highlight the possibility of using CBD suppositories as well, since the bioavailability of rectal administration can reportedly reach up to 70%, compared to 6% via oral ingestion or 30% when vaporized. I have even heard of people who produce their own suppositories or simply inject a mixture of CBD and organic edible oils with a syringe. Might not me the most pleasant option, but obviously very efficient.
Although most states restrict the use of CBD products to certain medical conditions, manufacturers of CBD claim their products are derived from industrial hemp, and therefore legal for anyone to use. A number of these manufacturers ship CBD products to all 50 states, which the federal government has so far not intervened in. CBD is also openly sold in head shops, health food stores, chiropractor clinics, optometrist offices, doctors offices and pharmacies in some states where such sales have not been explicitly legalized.
Epilepsy Society supports the Government in reviewing the regulatory framework for new drugs so that children with epilepsy have access to the excellent medical research and innovative treatments in this country, in the same way as disabled children in other leading North American and European countries. This could lead to clinicians being able to request a licence for a THC product where there is evidence that it would benefit the patient.
I had absolutely no problem chatting with the grocery store clerk at the cash register and actually found myself enjoying the chat (not something that usually occurs). Thereafter, I drove home and cooked myself dinner. My friend sent me a text to hang out at like 10:00 PM and I was feeling a bit anxious, so I decided to pop 2 more CBD capsules at around 9:30 PM.
“CBD oil has a lifting and relaxing effect on mood with none of the adverse psychoactive effects associated with marijuana,” says Healthspan medical director Dr Sarah Brewer. “It acts via the body’s own endocannabinoid system to promote feelings of wellbeing. It’s a great choice if you’re finding it difficult to relax, as it’s not habit-forming”, she adds, noting that the oil is “particularly helpful for reducing anxiety, promoting relaxation and restful sleep.”
Grant says this may lead to a “dampening” or mellowing of some neurochemical processes, including those linked to pain. “CBD may also react with other receptors, like those for serotonin, and it may have actions that reduce the inflammatory molecules produced whenever there is tissue damage or bacteria coming in,” he says. “But we really don’t know the mechanisms.”
Results indicated that CBD significantly reduced subjective measures of anxiety as evidenced by changes in VAMS scores. Neuroimaging data revealed decreased ECD-tracer uptake when participants received the CBD compared to when they took the placebo. Particularly, activity in the left amygdala-hippocampal complex and the left posterior cingulate gyrus decreased following CBD administration.
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The 5-HT1A receptor (5-HT1AR) is an established anxiolytic target. Buspirone and other 5-HT1AR agonists are approved for the treatment of GAD, with fair response rates . In preclinical studies, 5-HT1AR agonists are anxiolytic in animal models of general anxiety , prevent the adverse effects of stress , and enhance fear extinction . Both pre- and postsynaptic 5-HT1ARs are coupled to various members of the Gi/o protein family. They are expressed on serotonergic neurons in the raphe, where they exert autoinhibitory function, and various other brain areas involved in fear and anxiety [54, 55]. Mechanisms underlying the anxiolytic effects of 5-HT1AR activation are complex, varying between both brain region, and pre- versus postsynaptic locus, and are not fully established . While in vitro studies suggest CBD acts as a direct 5-HT1AR agonist , in vivo studies are more consistent with CBD acting as an allosteric modulator, or facilitator of 5-HT1A signaling .
Kimberly is the reference editor for Live Science and Space.com. She has a bachelor's degree in marine biology from Texas A&M University, a master's degree in biology from Southeastern Louisiana University and a graduate certificate in science communication from the University of California, Santa Cruz. Her favorite stories include animals and obscurities. A Texas native, Kim now lives in a California redwood forest. You can follow her on Twitter @kimdhickok.
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