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Psychedelic Toad Venom Relieves Depression, Anxiety And Stress, Studies Find

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A single smoked hit of the dried psychedelic secretion of a certain North American toad can potentially improve a person’s mental health, according to new research.

The study, published this month, found that people reported feeling more satisfied with life right after intake, and that increase in satisfaction persisted even four weeks later. They also reported feeling more mindful over time.

“Ratings of depression, anxiety, and stress decreased after the session, and reached significance at 4 weeks,” the researchers wrote.

The substance in question is called 5-methoxy-N,N-dimethyltryptamine (5-MeO-DMT), which was initially discovered in the bark of a plant. Researchers later realized the Bufo alvarius toad, more commonly known as the Colorado river toad, secretes a poisonous, milky-white substance in its skin and glands that also contains the 5-MeO-DMT compound.

People who smoke 5-MeO-DMT report having mystical-type experiences, characterized by awe, amazement, intense self-awareness and timelessness, among other effects. Past research has also shown that the compound is associated with a reduction in symptoms of anxiety, depression and post-traumatic stress, and has effectively helped consumers deal with alcoholism and drug abuse.

As first reported by IFL Science, the current study, led by Malin Uthaug of Maastricht University, aimed to better understand just how effective 5-MeO-DMT could be as a treatment for certain mental health conditions. The authors recruited a total of 75 people from Czech Republic, Spain and The Netherlands to participate in their observational research. Forty-two percent of participants said they were interested in the practice because they wanted to better understand themselves, while problem-solving and spiritual healing were cited as other motivations.

The study’s authors assessed participants using several psychiatric tests at three different points: prior to the session during which they inhaled the vapor containing 5-MeO-DMT, 24 hours after use and four weeks post-inhalation. During the sessions, facilitators reported participants inhaled a range of 20 milligrams up to 120 milligrams of the dried toad secretion.

According to the study’s findings, which were published in the journal Psychopharmacology, a single dose of the dried toad secretion containing 5-MeO-DMT produced both short and long-term improvements in self-reported ratings of satisfaction with life, depression, anxiety and stress. Not only did life satisfaction increase 7 percent one day after the smoke session, the average rate of depression among participants dropped 18 percent below baseline levels, anxiety by 39 percent and stress by 27 percent.

Four weeks later, the authors found that life satisfaction had increased to 11 percent above baseline, while depression ratings had dropped 68 percent. Anxiety and stress were also down 56 percent and 48 percent, respectively.

 

Via Psychopharmacology

Some participants who had especially intense 5-MeO-DMT sessions reported even greater effects on their moods.

Those who “experienced high levels of ego dissolution or oceanic boundlessness during the session displayed higher ratings of satisfaction with life and lower ratings of depression and stress,” the study found.

Understanding how or why dried toad secretion may help improve symptoms of depression and anxiety was outside the scope of this study. The authors, however, offer a few theories, including the notion that psychedelic compounds such as 5-MeO-DMT may bind to certain receptors in the brain, thus reducing inflammation and improving symptoms associated with some neuropsychiatric diseases, such as depression.

It’s important to point out, however, that one of the study’s limitations was inconsistent participation. Of the 75 participants, 42 completed the test assessments both before inhalation of the dried toad secretion vapor and within 24 hours, while only 24 completed the test battery at the final assessment.

Despite the lack of a proper control group, the results are promising, the authors said. “This study suggests that a single administration of vapor from toad secretion containing 5-MeO-DMT produces rapid and persistent improvements in satisfaction with life, mindfulness and psychopathological symptoms, and that these changes are associated to the strength of the psychedelic experience,” they concluded, adding a call for more research.

The results also support a separate recent study that found a synthetic version of 5-MeO-DMT also appeared to offer therapeutic benefits to those who inhale it. In a survey of 362 adults who said they’d had a mystical experience with 5-MeO-DMT in a group setting, approximately 80 percent reported their anxiety or depression had improved afterward.

Alan Davis, a postdoctoral research fellow at the Johns Hopkins University School of Medicine, was one of the authors on that study, which was published in The American Journal of Drug and Alcohol Abuse in March. “Research has shown that psychedelics given alongside psychotherapy help people with depression and anxiety,” Davis said in a statement. “However, psychedelic sessions usually require 7-8 hours per session because psychedelics typically have a long duration of action. Because 5-MeO-DMT is short-acting and lasts approximately 30-90 minutes, it could be much easier to use as an adjunct to therapy because current therapies usually involve a 60-90 minute session.”

Microdosing Psychedelics Improves Psychological Functioning, Study Finds

Photo courtesy of Renee Grayson.

Marijuana Moment is made possible with support from readers. If you rely on our cannabis advocacy journalism to stay informed, please consider a monthly Patreon pledge.

Kimberly Lawson is a former altweekly newspaper editor turned freelance writer based in Georgia. Her writing has been featured in the New York Times, O magazine, Broadly, Rewire.News, The Week and more.

Science & Health

Study Explores How Different Marijuana Extracts Kill Types Of Cancer Cells

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Marijuana extracts can impair the survival of certain types of cancer cells and inhibit their spread, according to a recent study. But the effects of those extracts vary significant based on their specific chemical makeup.

Researchers found that treating cancer cells with isolated ingredients in cannabis, such as THC alone, does not appear to be especially effective—but full cannabis extracts showed more promise. However, with the plant containing hundreds of compounds that appear in different concentrations across strains and preparations, researchers had their work cut out for them in investigating how various cannabinoid combinations treated different types of cancer cells.

The team tested the antitumor effects of 12 whole cannabis extracts on 12 human cancer cell lines in order to “determine whether whole cannabis preparations with specific phytocannabinoid profiles could be advantageous as therapy for certain cancer sub-types.” The findings were published in the journal Oncotarget.

“Our results show that specific cannabis extracts impaired the survival and proliferation of cancer cell lines as well as induced apoptosis.”

Each cell sample was treated with a marijuana extract in increasing doses (2-10 µg/ml) over the course of 24 hours. There were five preparations of cannabis that proved especially potent for a wide range of cancer types but, in general, the study shows there’s significant variability in effectiveness for different cancer types—even when the cancers originated in the same organ.

Via Oncotarget.

For example, two distinct forms of prostate cancer cells were found to be most sensitive to entirely different marijuana extracts.

The cannabis preparations also ranged widely in their effectiveness in preventing the proliferation of cancer cells. When applied to multiplying cells, there were three extracts that reduced the growths to 37-51 percent of their original size, compared to 68 percent for the control group. But there were other extracts that failed to reduce the spread in a statistically significant manner.

Some commonalities shared among the most potent cannabis extracts include a high concentration of THC and large amounts of phytocannabinoids in their decarboxylated form.

“Taken as a whole, we concluded that medical cannabis does not consist of a single therapeutic agent but rather a heterogeneous array of treatments,” the researchers wrote. “We propose that the fate of specific cancer cells following cannabis extract application is dependent upon the synergistic effects of its phytocannabinoid composition, concentration applied, along with the cell specific characteristics (e.g. cannabimimetic receptor expression).”

“This study demonstrates the anti-cancer activity of various whole cannabis extracts on a set of human cancer cell lines.”

The study concluded that “cannabis extracts were very potent in producing cell death and some of these extracts were of [THC]-rich type” and that, as previous studies have indicated, “using whole cannabis extracts is more effective in inducing cancer cell death than applying pure [THC] on the studied cells lines.”

“Furthermore, not all [THC]-rich extracts produce the same effects when applied at the same concentrations on a specific cancer cell line,” the study authors wrote. “These findings indicate that compounds other than [THC] in these extracts might act together in a polypharmacology way and determine the extract efficacy as antitumor agents.”

Interestingly, the researchers also theorized that the the “presence or absence of [cannabinoid receptors] in the tested cell lines may explain the differential potency of the extracts towards reducing cell survival.”

The team called for further research into the “specific properties and mechanisms of cancer cell insensitivity to cannabis extract effects.”

“We hope that this study will lay the groundwork for future preclinical studies and randomized controlled clinical trials in order to provide evidence for effective cannabis treatments for many cancer subtypes,” they concluded.

Recreational Marijuana Store Customers Consume To Help Pain And Sleep, Study Finds

Photo courtesy of Evan Johnson.

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Marijuana Legalization Associated With Decreased Interest In Alcohol, Study Finds

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Interest in alcohol declines after states legalize marijuana, according to a new study analyzing online behavior. But for reasons that aren’t entirely clear, interest in tobacco products increases following the policy change.

Another notable finding is that interest in cannabis among young people appears to decline after the end of prohibition.

Researchers from the University of Georgia and Syracuse University sought to identify the cross-commodity effects of legalization and used data from a “leading US-based web portal” from January 2014 to April 2017 to see how the implementation of adult-use legal marijuana programs in states changed online behavior such as web searches and engagement with advertisements.

The data set “covers over 28 million searches and 120 million ad impressions related to cannabis, alcohol and tobacco industries,” they wrote.

Published in the journal Marketing Science, the study reveals diverging trends for alcohol and tobacco.

Legalization “reduces search volume and advertising effectiveness for alcohol, but increases those for tobacco,” the authors wrote. “Hence, cannabis appears a substitute to alcohol, but not to tobacco.”

It also determined that recreational marijuana legalization leads to a nearly 17 percent increase in cannabis-related searches—however, that increase was “significantly attenuated” for young people, who did not search for marijuana more post-legalization. On the contrary, the study noted a “significant decrease in cannabis search[es] among the youth after” legalization.

“Contrary to widely held public concern after recreational cannabis is legalized, teenagers appear to lose interest, rather than gain interest,” study author Pengyuan Wang said in a press release. “Policymakers only concerned with an uptick in teen users, may want to rethink their stance.”

That finding is supported by another recent study exploring youth cannabis consumption. An analysis of federal data from 1993 to 2017 showed that self-reported past-month youth cannabis use decreased by about eight percent in states that legalized marijuana for adult use.

Alcohol searches decreased by about 11 percent after a state legalized marijuana, the researchers behind the new study found. They argued that the results show that the alcohol industry “has valid reasons to be concerned about legal cannabis and may need creative strategies to avoid market decline if [recreational cannabis legalization] passes.”

Via Marketing Science

However, predictions about marijuana’s potential to disrupt the tobacco industry might have been overblown, the study indicated. Searches for tobacco products increased by almost eight percent and so “tobacco companies may need to reexamine their presumption, and that anti-cannabis legalization is not in their best interest,” Wang said.

It’s not clear whether the analysis of tobacco search trends included cannabis-adjacent products such as blunts, rolling papers or vaporizer devices, which could overlap between tobacco and marijuana consumers. Marijuana Moment reached out to Wang for clarification but she did not immediately respond.

The research team said that their study is unique because it’s the first to analyze “large-scale unobtrusive behavioral data before and after policy change to unveil the treatment effect of [recreational cannabis legalization] using a difference-in-difference approach.”

“These findings on cross-commodity relationships help resolve the conflicting literature and provide distinct implications for practitioners,” the study authors wrote.

Youth Marijuana Use Declined In States That Legalized, Study Finds

Photo courtesy of Martin Alonso.

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Legalizing Marijuana Leads To Fewer Illegal Grow Sites In National Forests, Study Finds

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In news that Smokey Bear, iconic protector of all forests, would be happy to hear, research shows that reports of illegal marijuana grow operations on federally protected lands fell after states began legalizing it for adult use.

“Arguably,” the study authors write, “our models hint that outright, national recreational cannabis legalization would be one means by which illegal growing on national forests could be made to disappear.”

“[W]e find that recreational cannabis legalization is associated with decreased reports of illegal grow operations on national forests.”

The research, which was published in the journal Ecological Economics earlier this month, is thought to be the first of its kind to analyze the effects of legalization policies on illegal outdoor grows in national forests throughout the United States. A separate recent study found that cannabis cultivation on federal lands specifically in the Pacific Northwest declined after legalization.

Researchers with the United States Department of Agriculture’s Forest Service used existing data on the number of illegal grow sites reported between 2004 and 2016 in 111 national forests. In addition to incorporating other variables into their analysis (including state marijuana policies, retail price for consumers, risk of exposure and others), they also came up with six simulated scenarios with policy changes to create random effects models of the number of reported grows.

For example, in one scenario, the study’s authors estimated how many illegal grow sites would exist if current laws legalizing both recreational and medical marijuana were revoked. In another simulation, wholesale and retail sales taxes on legal marijuana were eliminated in states that had already approved the sale and consumption of cannabis in 2016.

According to the study’s findings, “policies legalizing recreational cannabis production and consumption are associated with significantly lower numbers of reported illegal grows on national forests.”

The study’s predictive models showed that eliminating current state laws legalizing access to marijuana would result in “double-digit percentage increases in reported grows on national forests, while further expansion of the set of states with such laws passed by statewide referenda in 2016 (but only instituting applicable laws in 2017 or later, post-dating our dataset) would be expected to reduce growing on national forests by a fifth or more.”

If all 23 states that had approved medical marijuana by 2016 moved to more broadly legalize for adult use, the study continues, illegal cultivation sites in national forests would decline anywhere from 35 percent to 51 percent. However, it concluded that legalization of medical cannabis across the U.S. alone would not affect grow operations in national forests.

Mere decriminalization of possession was also found to have no significant effect on the number of illegal farms, though models did show that harsher penalties for illegal production and possession of marijuana, as well as stricter regulations on CBD oil and similar products, did. Meanwhile, an increase in law enforcement presence only made a slight difference (a 2.5 percent decrease in reported illegal grows) if local agencies increased their manpower by 20 percent.

Another issue, of course, is the role of taxes. If states reduced how much they tax legal sales by 6 to 13 percent, the number of illegal grows would decline. As researchers point out, “availability of legal cannabis does not encourage illegal cultivation unless the after-tax price for legal cannabis is substantially elevated relative to the illegal product.”

“As a practical matter,” the study authors summarize, “the number of cannabis grows on national forests could be reduced in two opposite ways: (1) legalization, or (2) increased efforts to deter, incarcerate, and otherwise discourage participation in the illegal market. Redefining what is legal perhaps would yield reductions that are cost less for the Forest Service, at least in the narrow sense of cannabis law enforcement demands, and would reduce the damages associated with cannabis cultivation.”

Ecologists have raised concerns about the environmental impact illegal marijuana cultivation sites have on national forests, such as the use of highly toxic rodenticide to ward off pests.

Illegal Marijuana Grows In Pacific Northwest Declined After Legalization, Study Finds

Photo by Aphiwat chuangchoem/Pexels.

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