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This Is The Best Way To Store Marijuana For The Apocalypse, According To Science

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You may want to rethink how you’re storing your marijuana stash long-term.

Many enthusiasts will tell you the best place to keep cannabis is in an air-tight container stowed somewhere cool and dark. But according to the results of a new four-year study, the freezer may actually be a better place—especially if you’re concerned about maintaining that all-important THC content.

Researchers in Italy were interested in understanding how time and various storage conditions (involving light, oxygen and temperature) affected the chemical composition of high-potency cannabis products. Past studies have also investigated this topic, but the authors of new research published in Forensic Science International last week noted that the potency of cannabis in today’s market is “extremely different” from years past.

Using six cannabis products of herbal and resin materials (which were seized by law enforcement and given to researchers to analyze), the study’s authors created 24 primary samples.

After collecting information about how much THC, CBD and CBN (that is, cannabinol, another non-intoxicating component in cannabis that occurs when THC degrades over time) each sample contained, the researchers stored the samples in four controlled conditions for a period of four years.

The testing conditions differed by light exposure (whether it was light or dark 24 hours) and storage temperature (including at room temperature, refrigerated at 4 degrees Celsius or frozen at -20 degrees Celsius). Over the span of the study period, the samples were tested 14 times.

In a finding that will likely be unsurprising to anyone who has stumbled upon an old stash of cannabis stored in a sock drawer, the study determined that the amount of THC decreased—thus increasing the amount of CBN—in the samples stored at room temperature. In the first 100 days of data gathering, the THC in the marijuana stored in both light and dark spaces at room temperature had degraded by 13 percent and 11 percent, respectively.

Meanwhile, the refrigerated cannabis did show some decline in THC and increase in CBN over time, though not nearly as pronounced as the samples kept at room temperature.

The THC content in the samples stored in below-freezing conditions, however, did not significantly change.

This finding indicates, as the authors write, “that freezing is the best storage condition to avoid the reduction of the cannabinoids content over time.”

As for CBD, the study found that the compound remained “relatively constant over time in all the considered samples.”

The authors point out that their findings could be important for forensic purposes. With their methods, they write, law enforcement may be able to figure out what the THC concentration might initially have been in degraded marijuana.

On a more basic level, the research could also help consumers better plan how to store their cannabis.

That said, with marijuana not exactly that hard to find—it’s not as if prohibition is very effective, and more states are legalizing cannabis stores in any case—most people probably won’t be seeking to intentionally store their supply for multi-year periods.

Unless, that is, you’re a prepper planning for hard times. In that case, just know that, according to this research, stuffing your stash in the freezer is best.

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Photo courtesy of WeedPornDaily.

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.

Politics

FDA Clears Researchers To Study MDMA Use By Therapists Being Trained In Psychedelic Medicine

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The Food and Drug Administration (FDA) has already authorized clinical trials into the therapeutic potential of MDMA for patients with post-traumatic stress disorders—but now it’s given the green light to a psychedelics research institute to expand its studies by administering the substance to certain therapists.

Volunteer therapists who are being trained to treat people with PTSD will be able to participate in the Phase 1 trials to gain personal experience with the treatment option. This is a complementary research project that comes as the Multidisciplinary Association for Psychedelic Studies (MAPS) is in the process of conducting Phase 3 trials involving people with the disorder.

The development comes months after Canadian regulators announced that certain therapists would be allowed to take psilocybin in order to gain a better understanding of the psychedelic when treating patients.

MAPS sought permission to proceed with the therapist-specific trials in 2019, but FDA placed them on a 20-month hold because of concerns about the merits, risks and credentials of investigators. MAPS appealed that hold, providing evidence about the study’s scientific value and ability of its staff, and FDA cleared them on Tuesday.

The organization “chose to dispute” FDA’s hold not just because of the impact it had on the planned studies, “but in an attempt to resolve an ongoing issue with the FDA regarding investigator qualifications across studies,” it said in a press release on Wednesday.

“While the term ‘dispute’ may seem adversarial, this process can actually strengthen the relationship and trust between us and our review Division and ensures the Division has support on this project from the [FDA] Office of Neuroscience,” MAPS Public Benefit Corporation (PBC) CEO Amy Emerson said. “This decision demonstrates how our strategic, data-driven strategy in challenging the FDA rulings can be successful.”

Now MAPS is able to launch the Phase 1 clinical trials into MDMA-assisted therapy for therapists.

It will be designed to “measure development of self-compassion, professional quality of life, and professional burnout among clinicians delivering the treatment to patients,” the association said.

Getting personal experience with the substance “is widely considered to be an important element in preparation and training to deliver psychedelic-assisted therapies.”

This will “support the goals of the MDMA Therapy Training Program to provide comprehensive training to future providers,” and it “builds capacity to deliver quality, accessible care to patients, pending approval of MDMA-assisted therapy as a legal prescription treatment,” MAPS PBC Director and Head of Training and Supervision Shannon Carlin said.

FDA first granted MAPS’s request for an emergency use authorization for MDMA in PTSD in 2017. The organization expects to complete its Phase 3 trails in 2022.

The scientific expansion move also comes as the psychedelics decriminalization movement continues to build in the U.S.

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Science & Health

Frequent Marijuana Consumers Are Actually More Physically Active Than Non-Users, Study Finds, Smashing Stereotypes

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In a stereotype-busting new study, researchers found that frequent marijuana consumers are actually more likely to be physically active compared to their non-using counterparts.

For decades, anti-cannabis propaganda has cast marijuana consumers as unmotivated couch potatoes. This government-funded ad is a perfect example:

But a study published in the Harm Reduction Journal on Thursday found the opposite to be true. A nationally representative analysis of accelerometer-measured sedentary behavior showed that people who frequently use marijuana—particularly those aged 40 and older—spend more time engaging in physical activity than non-users do.

“Our findings do not support the mainstream perception of cannabis users as living sedentary lifestyles,” the researchers concluded.

In general, they found that “there’s no significant differences between non-current cannabis users and light, moderate, or frequent cannabis users in minutes per day spent in [sedentary behavior].” The difference came down to the average minutes that each group spent in physical activity.

“After controlling for all covariates, frequent cannabis users engaged in significantly greater amounts of light [physical activity] and [moderate-to-vigorous physical activity] compared to non-current users,” the study states. “In the unadjusted model, moderate cannabis use predicted more minutes spent in [moderate-to-vigorous physical activity] compared to non-current use, but this association was not significant upon controlling for all covariates. Light cannabis users did not significantly differ from non-current users in time engaged in [physical activity.”

“The results suggest that frequent cannabis users engaged in more [physical activity] than non-current users, but spent similar amounts of time in [sedentary behavior],” the researchers said.

While the study indicated that light marijuana use is not associated with a statistically significant difference in time being physically active, those who infrequently use cannabis were more likely to self-report more moderate physical activity compared to non-users.

“In a national, population-based US sample, current cannabis use was significantly associated with accelerometer-measured [physical activity], such that frequent cannabis users engaged in greater minutes of light PA and [moderate-to-vigorous physical activity] compared to non-current users.”

The researchers also looked at the relationship between marijuana use, activity and age, finding that people over 40 who consumed cannabis moderately spent an average of 16 more minutes engaged in moderate physical activity each day than non-users.

To explain that trend, the study suggests that cannabis “is being used for exercise-induced pain recovery, since [physical activity] brings about pain and muscle soreness, and a decreased pain threshold and muscle hypersensitivity have been documented with increasing age.”

These findings “add to the cannabis and physical behavior literature by incorporating objective accelerometer measures,” the researchers concluded. “Further understanding of the association between cannabis use and health behaviors is essential to fully addressing the public health concerns associated with cannabis use.”

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Business

Legal Marijuana States See Reduced Workers’ Compensation Claims, New Study Finds

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Legalizing marijuana for adult use is associated with an increase in workforce productivity and decrease in workplace injuries, according to a new study partly funded by the federal government.

In a working paper published by the National Bureau of Economic Research, researchers looked at the impact of recreational cannabis legalization on workers’ compensation claims among older adults. They found declines in such filings “both in terms of the propensity to receive benefits and benefit amount” in states that have enacted the policy change.

Further, they identified “complementary declines in non-traumatic workplace injury rates and the incidence of work-limiting disabilities” in legal states.

These findings run counter to arguments commonly made by prohibitionists, who have claimed that legalizing marijuana would lead to lower productivity and more occupational hazards and associated costs to businesses. In fact, the study indicates that regulating cannabis sales for adults is a workplace benefit by enabling older employees (40-62 years old) to access an alternative treatment option.

“We offer evidence that the primary driver of these reductions [in workers’ compensation] is an improvement in work capacity, likely due to access to an additional form of pain management therapy,” the study, which received funding from the National Institute on Drug Abuse, states.

The implementation of adult-use legalization seems to “improve access to an additional channel for managing pain and other health conditions, suggesting potential benefits on populations at risk of workplace injuries,” it continues.

The study is based on an analysis of data on workers’ compensation benefit receipt and workers’ compensation income from
2010 to 2018 as reported in the Annual Social and Economic Supplement of the Current Population Survey.

“Our results show a decline in workers’ compensation benefit propensity of 0.18 percentage points, which corresponds to a 20 percent reduction in any workers’ compensation income, after states legalize marijuana for recreational use. Similarly, we find that annual income received from workers’ compensation declines by $21.98 (or 20.5%) post-[recreational marijuana legalization]. These results are not driven by pre-existing trends, and falsification exercises suggest that observing estimates of this magnitude is statistically rare.”

Researchers said that they’ve found evidence that cannabis use increases post-legalization among the age cohort they studied, but no such spike in misuse. Further, they found a decline in post-legalization prescriptions for medications used to treat chronic pain, indicating that some people are using marijuana as a substitute for traditional painkillers.

“We hypothesize that access to marijuana through [recreational marijuana laws] increases its medical use and, in turn, allows better management of symptoms that impede work capacity—e.g., chronic pain, insomnia, mental health problems, nausea, and so forth,” the study says. “Chronic pain management is likely to be particularly important in our context as this is the health condition most commonly reported among medical marijuana users.”

Beyond decreasing workers’ compensation claims and costs, legalization also is a boon to the economy by adding jobs in legal states.

The cannabis industry added more than 77,000 jobs over the past year—a 32 percent increase that makes the sector the fastest in job creation compared to any other American industry, according to a report released by the cannabis company Leafly last week.

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