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What Are the Benefits of CBD?

More than 60 percent of CBD users were taking it for anxiety, according to a survey of 5,000 people. Does it help?

By Dawn MacKeen

The CBD industry is flourishing, conservatively projected to hit $16 billion in the United States by 2025. Already, the plant extract is being added to cheeseburgers, toothpicks and breath sprays. More than 60 percent of CBD users have taken it for anxiety, according to a survey of 5,000 people, conducted by the Brightfield Group, a cannabis market research firm. Chronic pain, insomnia and depression follow behind. Kim Kardashian West, for example, turned to the product when “freaking out” over the birth of her fourth baby. The professional golfer Bubba Watson drifts off to sleep with it. And Martha Stewart’s French bulldog partakes, too.

What is CBD?

Cannabidiol, or CBD, is the lesser-known child of the cannabis sativa plant; its more famous sibling, tetrahydrocannabinol, or THC, is the active ingredient in pot that catapults users’ “high.” With roots in Central Asia, the plant is believed to have been first used medicinally — or for rituals — around 750 B.C., though there are other estimates too.

Cannabidiol and THC are just two of the plant’s more than 100 cannabinoids. THC is psychoactive, and CBD may or may not be, which is a matter of debate. THC can increase anxiety; it is not clear what effect CBD is having, if any, in reducing it. THC can lead to addiction and cravings; CBD is being studied to help those in recovery.

Cannabis containing 0.3 percent or less of THC is hemp. Although last year’s Farm Bill legalized hemp under federal law, it also preserved the Food and Drug Administration’s oversight of products derived from cannabis.

What are the claims?

CBD is advertised as providing relief for anxiety, depression and post-traumatic stress disorder. It is also marketed to promote sleep. Part of CBD’s popularity is that it purports to be “nonpsychoactive,” and that consumers can reap health benefits from the plant without the high (or the midnight pizza munchies).

Just as hemp seedlings are sprouting up across the United States, so is the marketing. From oils and nasal sprays to lollipops and suppositories, it seems no place is too sacred for CBD. “It’s the monster that has taken over the room,” Dr. Brad Ingram, an associate professor of pediatrics at the University of Mississippi Medical Center, said about all the wild uses for CBD now. He is leading a clinical trial into administering CBD to children and teenagers with drug-resistant epilepsy.

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Does CBD work?

“It’s promising in a lot of different therapeutic avenues because it’s relatively safe,” said James MacKillop, co-director of McMaster University’s Michael G. DeGroote Center for Medicinal Cannabis Research in Hamilton, Ontario.

Last year, the F.D.A. approved Epidiolex, a purified CBD extract, to treat rare seizure disorders in patients 2 years or older after three randomized, double-blind and placebo-controlled clinical trials with 516 patients that showed the drug, taken along with other medications, helped to reduce seizures. These types of studies are the gold standard in medicine, in which participants are divided by chance, and neither the subject nor the investigator knows which group is taking the placebo or the medication.

While there is hope for treating other conditions with the plant extract, Epidiolex remains the only CBD-derived drug approved by the F.D.A. Most of the research on cannabidiol has been in animals, and its current popularity has outpaced science. “We don’t have the 101 course on CBD quite figured out yet,” said Ryan Vandrey, an associate professor of psychiatry and behavioral sciences at Johns Hopkins University School of Medicine.

Does CBD help anxiety and PTSD?

For students with generalized social anxiety, a four-minute talk, with minimal time to prepare, can be debilitating. Yet a small experiment in the journal Neuropsychopharmacology found that CBD seemed to reduce nervousness and cognitive impairment in patients with social anxiety in a simulated public speaking task.

However, a double-blind study found healthy volunteers administered CBD had little to no change in their emotional reaction to unpleasant images or words, compared to the placebo group. “If it’s a calming drug, it should change their responses to the stimuli,” said Harriet de Wit, co-author of the study and a professor in the University of Chicago’s department of psychiatry and behavioral neuroscience. “But it didn’t.”

Many soldiers return home haunted by war and PTSD and often avoid certain activities, places or people associated with their traumatic events. The Department of Veterans Affairs is funding its first study on CBD, pairing it with psychotherapy.

“Our top therapies attempt to break the association between reminders of the trauma and the fear response,” said Mallory Loflin, an assistant adjunct professor at the University of California, San Diego and the study’s principal investigator. “We think that CBD, at least in animal models, can help that process happen a lot faster.” While large clinical trials are underway, psychologists say there isn’t compelling evidence yet as to whether this is a viable treatment.

Does CBD help sleep and depression?

Up in the wee hours of the night, stuck watching videos of puppies? CBD may be promising as a sleep aid; one of the side effects of the Epidiolex trials for epilepsy was drowsiness, according to Mr. MacKillop, a co-author of a review on cannabinoids and sleep. “If you are looking for new treatments for sleep, that may be a clue,” he said.

But he cautions that the side effects could have been because of an interaction with other medications the children were taking to control the seizures. So far, there hasn’t been a randomized, placebo-controlled, double-blind trial (the gold standard) on sleep disorders and CBD.

A recent chart review of 72 psychiatric patients treated with CBD found that anxiety improved, but not sleep. “Over all, we did not find that it panned out as a useful treatment for sleep,” said Dr. Scott Shannon, assistant clinical professor of psychiatry at the University of Colorado, Denver and the lead author of the review in The Permanente Journal.

Sleep can be disrupted for many reasons, including depression. Rodents seemed to adapt better to stressful conditions and exhibited less depressive-like behavior after taking CBD, according to a review in Journal of Chemical Neuroanatomy. “Surprisingly, CBD seems to act faster than conventional antidepressants,” wrote one of the authors of a new review, Sâmia Joca, a fellow at the Aarhus Institute of Advanced Studies in Denmark and an associate professor at the University of São Paulo in Brazil, in an email interview. Of course, it’s difficult to detect depression in animals, but the studies that Ms. Joca and her colleagues reviewed suggested that in models of chronic stress exposure, the mice and rats treated with CBD were more resilient.

But without clinical trials in humans, psychologists say CBD’s effect on depression is still a hypothesis , and not an evidence-based treatment.

Is CBD harmful?

“If you take pure CBD, it’s pretty safe,” said Marcel Bonn-Miller, an adjunct assistant professor at the University of Pennsylvania’s Perelman School of Medicine. Side effects in the Epidiolex trial included diarrhea, sleepiness, fatigue, weakness, rash, decreased appetite and elevated liver enzymes. Also, the safe amount to consume in a day, or at all during pregnancy, is still not known.

Recently, the F.D.A. sent a warning letter to Curaleaf Inc. about its “unsubstantiated claims” that the plant extract treats a variety of conditions from pet anxiety and depression to cancer and opioid withdrawal. (In a statement, the company said that some of the products in question had been discontinued and that it was working with the F.D.A.)

Dr. Smita Das, chair of the American Psychiatric Association’s Council on Addiction Psychiatry’s cannabis work group, does not recommend CBD for anxiety, PTSD, sleep or depression. With patients turning to these to unproven products, she is worried that they may delay seeking appropriate mental health care: “I’m dually concerned with how exposure to CBD products can lead somebody into continuing to cannabis products.”

Some CBD products may contain unwanted surprises. Forensic toxicologists at Virginia Commonwealth University examined nine e-liquids advertised as being 100 percent natural CBD extracts. They found one with dextromethorphan, or DXM, used in over-the counter cough medications and considered addictive when abused; and four with a synthetic cannabinoid, sometimes called Spice, that can cause anxiety, psychosis, tachycardia and death, according to a study last year in Forensic Science International.

Earlier research found fewer than a third of 84 products studied contained the amount of CBD on their labels. Some users of CBD have also failed drug tests when the product contained more THC than indicated.

This year, 1,090 people have contacted poison control centers about CBD, according to the American Association of Poison Control Centers. Over a third are estimated to have received medical attention, and 46 were admitted into a critical care unit, possibly because of exposure to other products, or drug interactions. In addition, concern over 318 animals poured into the American Society for the Prevention of Cruelty to Animals’ Animal Poison Control Center.

Is CBD a scam or not?

A few drops of CBD oil in a mocha or smoothie are not likely to do anything, researchers contend. Doctors say another force may also be at play in people feeling good: the placebo effect. That’s when someone believes a drug is working and symptoms seem to improve.

“CBD is not a scam,” said Yasmin Hurd, director of the Addiction Institute of Mount Sinai in New York City who led a double-blind study of 42 recovering heroin addicts and found that CBD reduced both cravings and cue-based anxiety, both of which can cycle people back into using. “It has a potential medicinal value, but when we are putting it into mascara and putting it into tampons, for God’s sake, to me, that’s a scam.”

More than 60 percent of CBD users were taking it for anxiety, according to a survey of 5,000 people. Does it help?

Is CBD Oil Worth the Hype?

Cannabidiol (CBD) oil and CBD products are exploding in the U.S. You probably see CBD oil and products everywhere. From your local health food store to coffee shop, there is a seemingly limitless supply. Some claim its benefits are innumerable, treating everything from chronic pain to acne. But where the benefits are promising, there are things to beware of when considering CBD.

What is CBD?

Cannabidiol is found in the buds and flowers of marijuana and hemp plants. It is one of 104 chemical compounds known as cannabinoids found in Cannabis sativa . It is extracted then diluted with a carrier oil like hemp seed or coconut oil. Unlike tetrahydrocannabinol (THC) that causes marijuana’s intoxicating “high,” CBD reacts with different receptors in the brain and is not psychoactive.

The human body has a specialized system known as the endocannabinoid system (ECS), which regulates many functions including sleep, pain, appetite, and immune system response. The body produces endocannabinoids, which are neurotransmitters that bind to cannabinoid receptors in the nervous system.

CBD oil can be taken by itself by mouth, or by one use of one of the products that has it as an ingredient such as:

  • Pills
  • Chewable gels
  • Tinctures you drop under your tongue
  • Vape cartridges you breathe in
  • Creams on your skin
  • Food, like chocolate bars

Positive Effects of CBD

There is criticism for the lack of study done on CBD and its effectiveness. This has not stopped many in the medical community from finding promising results, however. For example, recent studies have shown that CBD can have many positive effects on people with chronic painful conditions. CBD may reduce pain and inflammation be impacting endocannabinoid receptor activity.

The list of benefits of CBD in lengthy depending on the source, but the highlights of conditions treated include:

Neuroprotective Properties

Sativex, an oral spray containing CBD and THC was found to reduce 75% of muscle spasms in the case of 276 multiple sclerosis patients tested. Other studies have shown that CBD oil has helped the quality of life and sleep quality for people suffering from Parkinson’s disease.

Treatment for Anxiety and Depression

An alternative to benzodiazepines and SSRI pharmaceutical drugs, CBD has shown promise in reducing anxiety and depression in both human and animal studies.

Heart Health

Research has linked CBD with the ability to lower blood pressure, which could prevent heart damage.

Antipsychotic Effects

Studies have shown the CBD might help those diagnosed with schizophrenia.

Substance Abuse Treatment

CBD can modify circuits in the brain related to drug addiction. A study done on rats shows its ability to reduce heroin-seeking behavior and morphine dependence. New research is being done to find if CBD can help treat Alcohol Use Disorder (AUD).

Is CBD Oil regulated?

The problem with CBD oil is its lack of regulations. The areas of legal medical marijuana are kind of murky and the FDA has not stepped in yet to regulate products that contain CBD. Many doctors warn that there is very little oversight for what’s actually in the CBD products you buy. It’s the “Wild West” out there, warns Marcel Bonn-Miller, assistant professor of psychology at the University of Pennsylvania School of Medicine. “Joe-Bob who starts up a CBD company could say whatever the hell he wants on a label and sell it to people.”

Bonn-Miller and his team have conducted several studies of CBD oils on the market and found several problems:

  1. Nearly 43% of products contained too little CBD, while about 26% contained too much.
  2. Less than 20% of the drug is absorbed orally and if it isn’t made right, not much is entering you circulation.
  3. Approximately 1 in 5 CBD products contain THC, which might actually increase anxiety in those taking CBD to reduce it.
  4. About 10% of CBD users had increased liver enzymes, which could indicate possible liver damage. (Approximately 2 to 3 percent had to discontinue the study because their liver enzymes rose to dangerous levels)
  5. Many studies cited by CBD product producers about its effects have only been conducted on animals to date

Next Steps

Much research is still needed on CBD before all of its benefits and side-effects can be fully understood. There is also a need for more regulations to assure that the CBD being used is most beneficial. While results look promising, it is a relatively new form of treatment that will be better understood in the future.

If you or a loved one are suffering from addiction, these new alternative treatments show promise. If you need advice on next steps, Rock Recovery Center in West Palm Beach, Florida can help. Call our 24-hour helpline or chat live with us now.

CBD has hit the market as a cure-all for many conditions, but here's what you should know about its risks and benefits of CBD oil.