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Congressional Report Raises Questions About Whether Marijuana Impairs Driving

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Concerns expressed by lawmakers that marijuana legalization will make the roads more dangerous might not be totally founded, a congressional research body said in a recent report. In fact, the experts tasked by the House and Senate with looking into the issue found that evidence about cannabis’s ability to impair driving is currently inconclusive.

While law enforcement has well-established tools to identify impaired driving from alcohol, developing technology to do the same for cannabis has proved difficult. Not only is the technology lacking, but questions remain as to how THC affects driving skills in the first place and what levels of THC should be considered safe.

“Although laboratory studies have shown that marijuana consumption can affect a person’s response times and motor performance, studies of the impact of marijuana consumption on a driver’s risk of being involved in a crash have produced conflicting results, with some studies finding little or no increased risk of a crash from marijuana usage,” the Congressional Research Service (CRS) wrote.

What’s more, “studies have been unable to consistently correlate levels of marijuana consumption, or THC in a person’s body, and levels of impairment.”

Both advocates and opponents of marijuana reform strongly support finding a resolution to the impaired driving detection issue. But experts aren’t so confident that researchers will be able to develop something akin to an alcohol breathalyzer, as the most promising attempts have only been able to determine whether a person has smoked within recent hours.

What’s striking about the report from Congress’s official research arm is that it repeatedly states it’s not clear that cannabis consumption is associated with an increased risk of traffic accidents. In general, the issue has been treated as something of a given in congressional hearings, with some lawmakers arguing that loosening federal cannabis laws would lead to a spike in traffic deaths.

That argument was echoed in a separate House Appropriations Committee report that was released on Monday. A section of the document described ongoing concerns about drugged driving “due to the increase in States legalizing marijuana use” and designated funds to help law enforcement identify impaired driving from cannabis.

The CRS report, which was published last month, signals that the problem isn’t quite as cut and dry as lawmakers might think.

Researchers have found on several occasions that traffic fatalities do not increase after a state legalizes marijuana.

Of course, that doesn’t change the fact that both opponents and supporters of legalization generally caution against driving under the influence.

“Cannabis inhalation in a dose-response manner may influence certain aspects of psychomotor performance, particularly in those who are more naive to its effect,” Paul Armentano, deputy director of NORML, told Marijuana Moment. “But this influence is typically short-lived and is far less acute than the psychomotor effects associate with alcohol.”

“By contrast, THC’s unique absorption profile and prolonged detection window in blood makes it so that—unlike as is the case with alcohol—the detection of THC in blood is not necessarily indicative of either recency of use or behavioral impairment,” he said.

The congressional report discusses the limitations of technology in detecting active impairment from cannabis and details previous studies on traffic trends in states that have reformed their cannabis laws. It also lays out legislative options for Congress to “aid policymaking around the issue of marijuana and impairment.”

As it stands, states have generally enforced impaired driving laws through one of two processes. Some states “require that the state prove that a driver’s impairment was caused by the substance or behavior at issue” while others have per se laws asserting that “a driver is automatically guilty of driving while impaired if specified levels of a potentially impairing substance are found in his or her body.”

But it’s significantly easier to prove impairment for alcohol however you cut it, the report explains.

“Detecting impairment due to use of marijuana is more difficult. The body metabolizes marijuana differently from alcohol,” the authors wrote. “The level of THC (the psychoactive ingredient of marijuana) in the body drops quickly within an hour after usage, yet traces of THC (nonpsychoactive metabolites) can still be found in the body weeks after usage of marijuana.”

Further there is “as yet no scientifically demonstrated correlation between levels of THC and degrees of impairment of driver performance, and epidemiological studies disagree as to whether marijuana use by a driver results in increased crash risk.”

Detecting impairment from cannabis is additionally complicated by another extraneous circumstance: variation in THC potency. The THC concentration conundrum is exacerbated by the fact that the only source of federal, research-grade cannabis “is considered by some researchers to be low quality,” the report stated, referring to studies showing that the government’s marijuana supply does not chemically reflect what’s available in state-legal commercial markets.

CRS also looked at the “inconsistent” results of studies examining the effects of cannabis use on traffic incidents. While some have indicated that consumption poses an increased risk on the road, the report argues that some may be conflating correlation and causation.

“Relatively few epidemiological studies of marijuana usage and crash risk have been conducted, and the few that have been conducted have generally found low or no increased risk of crashes from marijuana use,” CRS wrote.

After going through several other related issues, CRS laid out a couple of choices for Congress when it comes to dealing with the impaired driving issue. Those options include “continued research into whether a quantitative standard can be established that correlates the level of THC in a person’s body and the level of impairment” and compiling “better data on the prevalence of marijuana use by drivers, especially among drivers involved in crashes and drivers arrested for impaired driving.”

One of the last elements the report specifically focused on was federally mandated drug testing for individuals in “safety sensitive” jobs in the transportation sector. Interestingly, CRS seemed to suggest that, given the issues they outlined with respect to difficulties identifying active impairment from THC, the government should reevaluate whether suspensions for testing positive should be permanent.

“CRS could not identify any data on how many safety-sensitive transportation employees have lost their jobs as a result of positive tests for marijuana use,” the report states. “Considering the length of time that marijuana is detectable in the body after usage, and the uncertainty about the impairing effect of marijuana on driving performance, Congress and other federal policymakers may elect to reexamine the rationale for testing all safety-sensitive transportation workers for marijuana usage.”

“Alternatively, Congress and federal policymakers may opt to maintain the status quo until more research results become available,” the report advised.

Armentano, of NORML, said that legislators should be way of enacting policies focused on levels of THC or metabolites in drivers.

“As more states consider amending their cannabis consumption laws, lawmakers would best served to avoid amending traffic safety laws in a manner that relies solely on the presence of THC or its metabolites as determinants of driving impairment,” he said. “Otherwise, the imposition of traffic safety laws may inadvertently become a criminal mechanism for law enforcement and prosecutors to punish those who have engage in legally protected behavior and who have not posed any actionable traffic safety threat.”

Marijuana Legalization Not Linked To Increased Traffic Deaths, Study Finds

 

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.

Kyle Jaeger is Marijuana Moment's Sacramento-based senior editor. His work has also appeared in High Times, VICE and attn.

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Congressman Files New Marijuana Banking Reform Amendment To Large-Scale House Bill

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The House sponsor of a bill to protect banks that work with state-legal marijuana businesses announced on Friday that he is seeking to attach an amendment containing the reform to a broader bill dealing with research and innovation in the tech and manufacturing sectors.

Rep. Ed Perlmutter (D-CO), sponsor of the Secure and Fair Enforcement (SAFE) Banking Act, has expressed interest in finding another vehicle to pursue his proposal after it was stripped from a separate defense bill late last year. The congressman’s legislation has cleared the House in five forms at this point, only to stall in the Senate.

His latest attempt to get the reform enacted is by filing an amendment with the SAFE Banking language to the America COMPETES Act, which does not deal specifically with cannabis issues as drafted but was introduced in the House this week.

“Cannabis-related businesses—big and small—and their employees are in desperate need of access to the banking system and access to capital in order to operate in an efficient, safe manner and compete in the growing global cannabis marketplace,” Perlmutter, who is retiring from Congress after this session and committed to passing his bill first, said in a press release.

“The SAFE Banking Act is the best opportunity to enact some type of federal cannabis reform this year and will serve as the first of many steps to help ensure cannabis businesses are treated the same as any other legal, legitimate business,” he said. “I will continue to pursue every possible avenue to get SAFE Banking over the finish line and signed into law.”

It remains to be seen whether the America COMPETES Act will serve as a more effective vehicle for the cannabis banking bill than the National Defense Authorization Act (NDAA), where the language was successfully attached on the House side but later removed amid bicameral negotiations. Perlmutter said at the time that Senate leadership, which is working on comprehensive legalization legislation, was to blame for the decision to remove his amendment from the proposal.

The new SAFE Banking Act amendment will still need to be made in order by the House Rules Committee in order to be formally be considered on the House floor when the body takes up the research and innovation package. The deadline to file amendments was Friday, and the panel is set to take them up starting on Tuesday.

Even some Republicans are scratching their heads about how Democrats have so far failed to pass the modest banking reform with majorities in both chambers and control of the White House. For example, Rep. Rand Paul (R-KY) criticized his Democratic colleagues over the issue last month.

In the interim, federal financial regulator Rodney Hood—a board member and former chairman of the federal National Credit Union Administration (NCUA)—recently said that marijuana legalization is not a question of “if” but “when,” and he’s again offering advice on how to navigate the federal-state conflict that has left many banks reluctant to work with cannabis businesses.

Ohio Lawmakers Will Be Forced To Consider Marijuana Legalization As State Validates Activist Signatures

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Ohio Lawmakers Will Be Forced To Consider Marijuana Legalization As State Validates Activist Signatures

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Ohio activists have collected enough signatures to force the legislature to take up the issue of marijuana legalization, the secretary of state’s office confirmed on Friday.

This comes about two weeks after the Coalition to Regulate Marijuana Like Alcohol (CTRMLA) submitted a final round of signatures for the measure. The petitions’ formal validation triggers the legislative review of legalization, but it does not require lawmakers to enact the reform.

The legislature now has four months to consider the campaign’s cannabis reform proposal. Lawmakers can adopt the measure, reject it or pass an amended version. If they do not pass the measure, organizers can then collect an additional 132,887 valid signatures from registered voters to place the issue on the ballot in November.

CTRMLA previously submitted petitions for the initiative but the state said they were short some 13,000 signatures, requiring activists to go back and make up the difference.

“We are ready and eager to work with Ohio legislators over the next four months to legalize the adult use of marijuana in Ohio,” CTRMLA spokesman Tom Haren said in a press release. “We are also fully prepared to collect additional signatures and take this issue directly to voters on November 8, 2022, if legislators fail to act.”

The measure that lawmakers will be required to consider would legalize possession of up to 2.5 ounces of cannabis for adults 21 and older, and they could also have up to 15 grams of marijuana concentrates. Individuals could grow up to six plants for personal use, with a maximum 12 plants per household.

A 10 percent sales tax would be imposed on cannabis sales, with revenue being divided up to support social equity and jobs programs (36 percent), localities that allow adult-use marijuana enterprises to operate in their area (36 percent), education and substance misuse programs (25 percent) and administrative costs of implementing the system (three percent).

A Division of Cannabis Control would be established under the state Department of Commerce. It would have authority to “license, regulate, investigate, and penalize adult use cannabis operators, adult use testing laboratories, and individuals required to be licensed.”

The measure gives current medical cannabis businesses a head start in the recreational market. Regulators would need to begin issuing adult-use licenses to qualified applicants who operate existing medical operations within nine months of enactment.

The division would also be required to issue 40 recreational cultivator licenses and 50 adult-use retailer licenses “with a preference to applications who are participants under the cannabis social equity and jobs program.” And it would authorize regulators to issue additional licenses for the recreational market two years after the first operator is approved.

Individual municipalities would be able to opt out of allowing new recreational cannabis companies from opening in their area, but they could not block existing medical marijuana firms even if they want to add co-located adult-use operations. Employers could also maintain policies prohibiting workers from consuming cannabis for adult use.

Further, regulators would be required to “enter into an agreement with the Department of Mental Health and Addiction Services” to provide “cannabis addiction services,” which would involve “education and treatment for individuals with addiction issues related to cannabis or other controlled substances including opioids.”

With respect to social equity, some advocate are concerned about the lack of specific language on automatic expungements to clear the records of people with convictions for offenses that would be made legal under the legislation. That said, it does include a provision requiring regulators to “study and fund” criminal justice reform initiatives including expungements.

Ohio voters rejected a 2015 legalization initiative that faced criticism from many reform advocates because of an oligopolistic model that would’ve granted exclusive control over cannabis production to the very funders who paid to put the measure on the ballot.

Activists suspended a campaign to place another measure on the 2020 ballot due to the coronavirus pandemic.

Aside from the new voter initiative, state lawmakers from both parties are separately working to advance marijuana reform.

A legalization bill that was the first of its kind to be introduced in the Ohio legislature last year would legalize the possession, sale and cultivation of cannabis by adults. It’s being championed by Reps. Casey Weinstein (D) and Terrence Upchurch (D).

A pair of Ohio Republican lawmakers similarly filed a bill to legalize marijuana in the state in December. Reps. Jamie Callender (R) and Ron Ferguson (R) first announced their plan to push the legislative reform proposal in October and circulated a co-sponsorship memo to build support for the measure.

There are also additional local reform efforts underway in Ohio for 2022.

After voters in seven cities approved ballot measures to decriminalize marijuana possession during last November’s election—which builds on a slew of previous local reforms in the state—campaigns are now looking to enact decriminalization in Marietta, Rushville, Rutland, Shawnee, McArthur and Laurelville.

Ohio marijuana activists already successfully proved that they turned in enough valid signatures to put a local decriminalization initiative before Kent voters after having missed the 2021 ballot due to a verification error on the part of county officials. That measure is now expected to go before voters this November.

Top Federal Drug Official Says Marijuana Use ‘Stable’ Among Youth At Prohibitionist-Hosted Panel Sponsored By D.A.R.E.

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Top Federal Drug Official Says Marijuana Use ‘Stable’ Among Youth At Prohibitionist-Hosted Panel Sponsored By D.A.R.E.

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A top federal drug official participated in a panel hosted by a prohibitionist group and sponsored by D.A.R.E.—and she again reiterated that data shows youth marijuana use has remained stable “despite the legalization in many states.”

While National Institute on Drug Abuse (NIDA) Director Nora Volkow expressed concerns about certain cannabis trends related to potency, commercialization and use by pregnant women, she affirmed that surveys funded by her own federal agency have demonstrated that adolescent marijuana use is “stable,” despite repeated arguments from prohibitionists that legalization would lead more young people to experiment with cannabis.

The event was hosted by Smart Approaches to Marijuana (SAM), an anti-legalization group. SAM President Kevin Sabet and the organization’s co-founder former Rep. Patrick Kennedy (D-RI) led the discussion.

Sabet said that data on youth use has showed varying results in states that have legalized cannabis and asked Volkow to weigh in on the issue. She replied that federal data “have not been able to see large differences in terms of prevalence” of cannabis consumption among young people in legal and non-legal states.

The official made similar comments in an interview with Marijuana Moment late last year.

That said, Volkow said that they have seen some differences when it comes to consumption rates among adolescents for edible cannabis products.

“But the effects are not large, and one of the things that also certainly surprised me [is] the rate overall, the prevalence rates of marijuana use among teenagers, have been stable despite the legalization in many states,” she said, adding that there are some concerns about increased frequency of use and limitations in data collection with respect to dosages being taken.

Volkow also commented on a recent federally funded survey that found illicit drug use by young people has taken a significant plunge in the last year, though she largely attributed that to the reduced social interaction resulting from COVID-19 policies across the country.

“Interestingly what we’ve observed during the COVID pandemic is, across schools in the United States, the prevalence of drug use has gone down,” she said, “which likely very much reflects the fact that kids don’t have the opportunity to interact with others, and drug taking at that stage is a peer pressure behavior.”

The official also briefly addressed the fact that she feels criminalizing people over drugs in the first place is the wrong policy approach—a point she’s made repeatedly in interviews and blog posts.

She said that “criminalization has created a system for that allows a structural racism to be implemented, you can control people, and that’s a horrible policy. This criminalization actually opens up our eyes that well, yes, we need to change that.”

However, she said that “liberalizing and making the drugs widely available, with no counter messaging,” is not the alternative she would recommend.

While the SAM-hosted event did not touch specifically on psychedelics policy, Volkow has also recently discussed that issues, especially as data has shown an increase in use of the substances among adults.

She said people are going to keep using substances such as psilocybin—especially as the reform movement expands and there’s increased attention being drawn to the potential therapeutic benefits—and so researchers and regulators will need to keep up.

Volkow also mentioned that NIDA is “pleased” the Drug Enforcement Administration recently announced plans to significantly increase the quota of certain psychedelic drugs to be produced for use in research.

USDA Teams Up With Cornell University For Hemp Education Webinar Series

Photo courtesy of Philip Steffan.

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