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Are magic mushrooms addictive? | Leafly

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A mushroom trip can be life-changing, but can the experience of a cosmic, transformative journey also spark a desire to do it again, and again, and again? Psilocybin, the main active compound in mushrooms, is currently a Schedule I drug in the US, which means the government thinks it has a high potential for abuse. However, DEA scheduling lags behind the latest clinical data.

Recentresearch highlights psilocybin’s safety profile and low potential for abuse, and in fact, one emerging area of psilocybin research is focused on how the compound can be used to treat different addictions. In other words, psilocybin is more likely to help you kick an addictive habit than get you hooked on a new one.

Let’s talk about whether psilocybin can be addictive,  psilocybin tolerance, and why it might be uniquely suited for treating addiction.

What is addiction? 

Humans can become addicted to just about anything that feels good or relieves stress and discomfort—including sugar, shopping, or even work. However, substance use disorders are the most common type. These occur when an individual continues to use a substance regardless of detrimental impacts on their relationships, health, work, or ability to engage in everyday life, and various other criteria, according to the DSM.

Addiction experts generally agree that addiction is a cyclical process that has three clear stages.  

  • First stage: The user becomes intoxicated by a substance, leading to a flood of feel-good dopamine, activating the brain’s reward centers. Most addiction researchers agree that dopamine plays a major role in the development and persistence of addiction
  • Second stage: The user experiences symptoms of withdrawal, leading to negative effects such as panic or anxiety. 
  • Third stage: The user experiences a strong preoccupation and sense of anticipation that makes it hard to resist the urge to use or consume the substance. Consuming the substance resolves this intense preoccupation/anticipation and also enables a flood of dopamine (as experienced in stage one). 

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Is psilocybin addictive?

Classic psychedelics that primarily influence the brain’s serotonin receptors, like psilocybin, are not considered addictive, mainly because their effects stick around for a long time—a psilocybin trip, for example, can last for up to six  hours. This long duration of action can desensitize the brain’s serotonin receptors, causing rapid tolerance that minimizes the possibility of abuse. It’s also worth noting that classic psychedelics don’t directly affect the brain’s dopamine system; as mentioned above, dopamine stimulation is needed for a drug to lead to dependence. 

In studies on psilocybin addiction, animals trained to self-administer psilocybin—a common way of testing whether a substance is liable to be abused in human populations—have shown that the substance has a very low abuse potential. The majority of these animals chose not to carry out a specific behavior, like pressing a lever, in order to be rewarded with psilocybin. Large-scale population surveys of individuals who have tripped with magic mushrooms also yield similar results, finding no association between lifetime psilocybin use and addiction

In light of this evidence, researchers are calling for a re-categorization of psilocybin from its current Schedule I status to Schedule IV—substances recognized to have a low misuse potential and a limited risk of physical or psychological dependence.

For Nicholas Levich, Co-Founder of Psychedelic Passage, a platform that facilitates psychedelic trip-sitting experiences, psilocybin mushrooms deliver an experience that is essentially antithetical to addiction. “Psilocybin, especially in high doses, produces effects that are so profound and typically uncomfortable that the common sentiment is something along the lines of, ‘Well, that was intense, and I don’t need to do that again for a while—if ever,’” he said. 

However, Levich also cautions that any substance can be misused, so it’s vital to use psilocybin mindfully and intentionally. “It’s more about establishing healthy psilocybin use patterns versus whether psilocybin is chemically addictive.”

Addiction issues often  arise from  substances like alcohol because it can mask pain, according to Mike Ljubsa, Business Director and Facilitator at MycoMeditations, a company that offers psilocybin-assisted wellness retreats. Psilocybin doesn’t have this effect. 

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“If anything, psilocybin may force a person to be with their pain at an even deeper layer than they normally are,” he said. “A person can certainly have an unhealthy relationship with psychedelics, but they aren’t addictive in the true sense of the word.”

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Can psychedelic mushrooms trigger psychosis? 

Can you develop a tolerance to psilocybin?

While there’s a prevailing consensus among experts and researchers that psilocybin isn’t addictive, evidence suggests that repeated psilocybin use over a short period of timecan quickly build tolerance. But tolerance is different from addiction, abuse or dependence, and it’s not necessarily a bad thing.

Developing tolerance to a substance means that the dose you have typically taken stops working as effectively as it once did, and you need to take more to get the same benefits or effects as you did before. Tolerance is common in many substances and can occur when your body is exposed to a substance even just a few times. In the case of psilocybin, tolerance can be formed after a single session. 

“From my perspective, this is the other reason psilocybin is not addictive—your tolerance builds up so quickly that you’d need to consume 2-3 times the prior day’s dose to experience any effects,” said Levitch. He recommends journeyers wait at least a day or two in between doses.

“Breaks allow users to guard against tolerance and ensure that the slightly altered states they experience are actually altered states,” said Derek Chase, founder of LA-based entheogenic wellness company Psilouette

He believes the benefits of microdosing come from toggling between a psilocybin-impacted state and a sober state of consciousness, as this enables insights into different ways of being.

Related

How long do magic mushrooms stay in your system?

Can psilocybin treat addiction?

Some of the most compelling psilocybin research at present explores its ability to treat substance use disorders such as tobacco and alcohol addiction. Treating addiction is a major reason that many individuals take shrooms. 

In one recent clinical trial of individuals with alcohol use disorder, psilocybin coupled with psychotherapy led to a substantial decrease in heavy drinking—by 83%, compared to a 51% reduction among individuals who received an antihistamine placebo. (Heavy drinking was defined as four or more drinks per day for women, and five or more drinks for men.) Eight months after the first psilocybin dose, close to half (48%) of those who had psilocybin stopped drinking altogether.

The mechanisms by which psilocybin can help treat addiction remain unclear. However, researchers have identified a host of factors, such as an improved ability to deal with cravings, the alteration of neural networks that can help reset the brain’s reward system, or the transformative potential of a “mystical experience” while tripping. 

Mystical experiences appear to be a particularly therapeutic element in the treatment of addiction, and can engender feelings of interconnectedness, transcendence of time and space, profound positivity, a sense of awe, and the belief that what has been revealed has authenticity and validity. While researchers still don’t fully understand why mystical experiences are so influential, experts theorize that the intense sense of personal meaning they can create may help individuals to kick addictive habits.

“Psilocybin is incredibly helpful at inserting space between us and our compulsive patterns,” said Levitch. “Plus, it can often illuminate the root cause of those compulsive behaviors.”

Part of psilocybin’s potency as an addiction treatment may be its ability to help people face trauma.

“Trauma is at the root of most addiction issues,” reflected Ljubsa. “When psilocybin is taken in safe settings with proper intention and reliable support, a person can address the traumas underlying their addiction.”



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Can lemon-smelling weed cause less anxiety than others?

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Top study takeaways:

  • Ever eat mangos to help you get higher? Maybe pound some lemonade to prevent anxiety
  • Test subjects who vaped lots of the terpene limonene with their weed reported lower anxiety in a small study

Leafly Ph.D Nick Jikomes dissects the hype new study on the smell molecule limonene below. Report your findings in the comments section.

The “entourage effect” is the idea that the psychoactive effects of cannabis result from a combination of different plant molecules. The idea is widely used in the cannabis industry to help explain the distinct effects that cannabis strains are reported to have–each one contains a different combination of THC, terpenes, and other compounds. These claims have been largely theoretical, with limited empirical evidence to show that specific combinations of cannabinoids and terpenes reliably induce measurably different effects in humans.

A new study, however, investigates whether the common cannabis terpene limonene, when consumed together with THC, results in different effects compared to THC on its own.

A bit of limonene is in many weed varieties

Limonene is one of the most abundant terpenes found in commercial cannabis. Cannabis strains with the highest limonene levels typically contain between 1 to 3% limonene by weight. Commercial THC-dominant cannabis flower today often has THC content in the 20-25% range, meaning that the most limonene-rich strains will have a roughly 20:1 ratio of THC to limonene. 

Limonene is found naturally in many citrus fruits. On its own, it has a pleasant, citrus aroma. A limited number of animal studies have observed anti-anxiety effects in rodents given limonene. Similar observations have been made in human studies, although they had small sample sizes or lacked important controls. Given that anxiety is a common side effect of THC—especially when relatively large doses are consumed—it has been hypothesized that limonene may be able to mitigate these effects. If true, this would suggest the possibility that THC-dominant strains high in limonene might be less likely to elicit anxiety than those with lower limonene content. 

Vaping limonene and THC—for science!

A robust terpene profile in weed adds to the flavour and overall experience. (MysteryShot/Adobe Stock)
(MysteryShot/Adobe Stock)

In this new study, researchers at Johns Hopkins administered different combinations of THC, limonene, and a placebo of distilled water to twenty human subjects in a double-blind trial. Each person participated in several separate vape sessions where they received one of the following:

  • Limonene alone (1mg or 5mg)
  • THC alone (15 mg or 30 mg)
  • THC + limonene together (15 or 30 mg THC + 1 mg limonene)
  • THC + limonene together (15 or 30 mg THC + 5 mg limonene)
  • THC + limonene together (30 mg THC + 15 mg limonene)
  • Placebo (distilled water)

The subjects were healthy adults who used cannabis intermittently. A hand-held Might Medic vaporizer (made by Storz and Bickel) was used for administration. Subjects consumed 15 and 30 mg doses of THC because, based on previous research, those doses often trigger small (15 mg THC) to moderate/large (30 mg THC) psychoactive effects, with the larger dose expected to trigger more side effects like anxiety. Researchers assessed participants using standardized questionnaires. One of these, the “Drug Effect Questionnaire,” asks subjects to rate various subjective drug effects on a 0-100 scale. Another, the “State-Trait Anxiety Inventory (STAI-S),” assessed their anxiety/distress levels before and after drug administration. Researchers also tracked heart rate, blood pressure, and plasma levels of THC and limonene. (For more details on the study methods, including the standardized procedures, check out the paper itself.)

What did they find? Did the presence of limonene affect the subjective effects of THC, or reduce side effects like anxiety and paranoia?

Three limonene-dominant hype strains

A photo of Connected Gelonade — Lemon Tree and Gelato. (David Downs/Leafly)
Gelonade. (David Downs/Leafly)

And the results come in

I recently spoke with the lead author of the study, Dr. Ryan Vandrey of Johns Hopkins University, about how his team designed the study and built in important controls. For one: test subjects received the real deal molecules, not some burned-up version.

“We made sure that when we heated it at this temperature, this device, we didn’t convert these things into something else,” Dr. Vandrey explained. “So we were very careful to get our dosing methods secure, and to work with this. We opted for inhalation and vaporization in particular, so we know that our doses are being delivered fully and completely.”

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Consumption of THC went as planned. The control placebo containing 0 mg THC did not cause substantial subjective effects, anxiety or paranoia, or changes in heart rate. Consumption of 15 or 30 mg of THC did trigger these changes, with the higher dose producing larger effects on average.

“We picked two doses of THC, 15 milligrams and 30 milligrams, which to the occasional cannabis user will get people moderately high at pretty dang high,”

Dr. Ryan Vandrey, Johns Hopkins University

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But did consumption of limonene together with THC lead to different effects compared to the same dose of THC alone? Yes—if you’re limonene-maxing.

When limonene was administered alone, without THC, its effects did not differ compared to the placebo.

But with co-administration of THC and limonene, however, the team saw differences compared to THC alone, but only at the highest dose of limonene (15 mg).

Compared to 30 mg of THC alone, consumption of 30 mg THC + 15 mg limonene resulted in lower subjective ratings for “anxious,” “paranoid,” and “unpleasant drug effect.”

Subjective ratings of “anxious” and “paranoid” were less than half of those seen with 0 mg limonene.

Subjective ratings of “anxious” and “paranoid” were less than half of those seen with 0 mg limonene.

Although the result was statistically significant at the highest limonene dose (20 mg), the sample size (n=20) was small and it’s not clear if most subjects saw this effect, or a small minority experienced large differences.

The presence of limonene did not influence physiological measures like heart rate, nor did it lead to differences in the intensity of THC’s subjective effects or blood levels of THC.

“That’s important… because it suggests that limonene isn’t somehow interfering with THC absorption. It’s not somehow changing the pharmacology. It’s not blocking THC’s ability to bind to the cannabinoid receptor,” Dr. Vandrey told me.

Did test subjects detect any lemon?

image-of-cannabis-judge-smelling-weed
(AdobeStock)

Because limonene has a taste, smell, and influences vapor quality, blinding may have been an issue, especially at higher doses of limonene.

Put another way, if subjects could taste or smell this terpene, or noticed that the vapor felt different, it could have colored their experience.

According to Dr. Vandrey, however, the team’s drug delivery design minimized the subjects’ ability to discern what they were consuming via taste or sight.

“We did everything to maintain the blind in this study,” he said. “The drugs were sealed inside of the vaporizer, but they couldn’t see it, they couldn’t smell it or anything like that.”

Weed’s entourage effects remain hard to pin down

While the results of Vandrey’s study proved statistically significant, the size of the effect was quite modest. Co-administering THC with 15 mg of limonene resulted in decreases of anxiety, but not 1 mg or 5 mg of limonene.

It’s important to note a key caveat: Subjects were not consuming whole-plant cannabis products like those we can buy in dispensaries. They were only consuming specific combinations of THC and/or limonene.

The modest effects they saw were only seen with 30 mg of THC with 15 mg limonene, which is a 2:1 THC:limonene ratio. This is not a combination found in commercial cannabis flower. Expect a roughly 20:1 THC:limonene ratio for even the most limonene-rich strains.

Taken at face value, the results of the Johns Hopkins study indicates maxing out on limonene may reduce The Fear.

However, they do not demonstrate that limonene-rich, THC-dominant cannabis purchased from a dispensary contains enough limonene to accomplish the same goal.

If limonene or other cannabis terpenes can indeed reliably modulate the effects of THC in commercially-available cannabis products, future research will have to focus on them. Such products contain more complex mixtures of THC and a variety of terpenes and other molecules, many of which are present at low levels. Does the “entourage effect” really explain all the effects of weed? Researchers will need to carefully measure the effects of real-world stuff to know for sure.

For more detail on this study, listen to my full conversation with Dr. Ryan Vandrey. Mind & Matter is a science column by Nick Jikomes, PhD focuses on how psychoactive drugs influence the mind & body. It is inspired by the long-form science podcast, Mind & Matter.

What do limonene strains do to you? Sound off in the comments below.



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“A big deal”: What the feds’ move to reclassify marijuana means for Colorado cannabis

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Cannabis advocates in Colorado cheered the Biden Administration’s reported move to reclassify marijuana and said the decision likely would reduce businesses’ tax burden significantly.

Industry leaders cautioned that such a move — if finalized — would not resolve some major challenges facing the industry, such as limited access to banking. But they pointed to the symbolic importance of preparations by the U.S. Drug Enforcement Administration to downgrade the substance’s drug classification.

A man pours cannabis into rolling papers as he prepares to roll a joint the Mile High 420 Festival in Civic Center Park in Denver, April 20, 2024. (Photo by Kevin Mohatt/Special to The Denver Post)

Read the rest of this story on DenverPost.com.



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Study: Cannabis can make workouts more fun, but it’s no performance-enhancer

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The study of 42 runners, published Dec. 26 in the journal Sports Medicine, comes almost exactly 10 years after Colorado became the first state to commence legal sales of recreational marijuana, at a time when cannabis-users increasingly report mixing it with workouts. “The bottom-line finding is that cannabis before exercise seems to increase positive mood and enjoyment during exercise, whether you use THC or CBD. But THC products specifically may make exercise feel more effortful,” said first author Laurel Gibson, a research fellow with CU’s Center for Health and Addiction: Neuroscience, Genes and Environment (CU Change).

https://www.colorado.edu/today/2024/01/03/study-cannabis-can-make-workouts-more-fun-its-no-performance-enhancer



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