{"id":20538,"date":"2022-02-22T15:00:36","date_gmt":"2022-02-22T20:00:36","guid":{"rendered":"https:\/\/www.veriheal.com\/blog\/?p=20538"},"modified":"2024-10-25T11:30:33","modified_gmt":"2024-10-25T15:30:33","slug":"an-australian-study-reinforces-that-cannabis-breathalyzers-are-poor-indicators-of-intoxication","status":"publish","type":"post","link":"https:\/\/www.veriheal.com\/blog\/an-australian-study-reinforces-that-cannabis-breathalyzers-are-poor-indicators-of-intoxication\/","title":{"rendered":"An Australian Study Reinforces That Cannabis Breathalyzers Are Poor Indicators of Intoxication"},"content":{"rendered":"

Cannabis breathalyzers<\/span> were introduced as a means of identifying whether persons are under the influence of cannabis<\/a>\u2014 particularly when operating a motor vehicle. Despite the wide availability of cannabis breathalyzers, detecting whether a person has recently consumed cannabis, and is still under the influence of it, is not as simple as detecting blood alcohol concentration. Now, researchers from the University of Sydney’s Lambert Initiative<\/span> have found<\/span><\/a> that cannabis breathalyzers<\/a> are poor indicators of cannabis intoxication<\/a>.\u00a0<\/span><\/p>\n

The team of researchers from the university have analyzed all the available studies on the link between cannabis concentrations in the blood and saliva with driving performance, particularly concerning tetrahydrocannabinol (THC). <\/span>They found that<\/span><\/a> biomarkers are inconsistent indicators. <\/span><\/p>\n

Their results found that blood and oral fluid THC concentrations \u201care relatively poor or inconsistent indicators of cannabis-induced impairment.\u201d Unlike this finding, the relationship between blood alcohol concentrations and driving impairment is more concrete.<\/span><\/p>\n

What Australian Researchers Found in Cannabis Breathalyzer Study<\/h2>\n

The researchers explain that their findings will have \u201cimplications for the application of drug-driving laws globally.\u201d The <\/span>university\u2019s press release<\/span><\/a> featured a quote from the lead author, Dr. Danielle McCartney, who stated \u201cHigher blood THC concentrations were only weakly associated with increased impairment in occasional cannabis users while no significant relationship was detected in regular cannabis users,\u201d and that \u201cThis suggests that blood and oral fluid THC concentrations are relatively poor indicators of cannabis-THC-induced impairment.\u201d<\/span><\/p>\n

As part of the research, the team took data from 28 publications involving ingested or inhaled forms of cannabis consumption. The team then went on to characterize the relationship between blood and oral fluid THC concentrations and driving performance, including reaction time. <\/span><\/p>\n

Most of the relationships were \u201cweak in strength.\u201d However, they did find some significant correlations in those who are infrequent consumers. This means that infrequent consumers with noteworthy levels of cannabis in their blood or oral fluid had impairment, but there was no significant relationship between driving impairment and regular consumers.\u00a0<\/span><\/p>\n

Dr. McCartney stated that \u201cOf course, this does not suggest there is no relationship between THC intoxication and driving impairment,” and that \u201cIt is showing us that using THC concentration in blood and saliva are inconsistent markers for such intoxication.\u201d <\/span>This research calls into question the validity of the methods being used to assess cannabis-induced impairment. The press release explains that this includes Australia\u2019s mobile drug testing operations which tests for concentrations of THC in blood.<\/span><\/p>\n

Cannabis Breathalyzers Inaccurate: Smartphone Apps Could Better Help Assess Impairment<\/h2>\n

\u201cOur results indicate that unimpaired individuals could mistakenly be identified as cannabis-intoxicated when THC limits are imposed by the law. Likewise, drivers who are impaired immediately following cannabis use may not register as such,\u201d explains Dr. McCartney. <\/span><\/p>\n

In addition to this, the team found that \u201chow \u2018stoned\u2019 individuals reported that they felt was also weakly associated with actual impairment.\u201d This means that individuals are not objective enough to determine whether they are able to drive safely due to the fact that their perception of their impairment is inaccurate.\u00a0<\/span><\/p>\n

Co-author, Dr. Thomas Arkell, explains that \u201cindividuals are better to wait a minimum length of time, between three and 10 hours, depending on the dose and route of administration, following cannabis use before performing safety-sensitive tasks. Smartphone apps that may help people assess their impairment before driving are currently under development and may also prove useful.\u201d<\/span><\/p>\n

Academic Director, Professor Iain McGregor, said that \u201cTHC concentrations in the body clearly have a very complex relationship with intoxication. The strong and direct relationship between blood-alcohol concentrations and impaired driving encourages people to think that such relationships apply to all drugs, but this is certainly not the case with cannabis,\u201d and that \u201cA cannabis-inexperienced person can ingest a large oral dose of THC and be completely unfit to drive yet register extremely low blood and oral fluid THC concentrations. On the other hand, an experienced cannabis user might smoke a joint, show very high THC concentrations, but show little if any impairment.\u201d\u00a0<\/span><\/p>\n

A Need for A More Reliable Way of Identifying Cannabis Impairment<\/h2>\n

McGregor goes on to explain that \u201c We clearly need more reliable ways of identifying cannabis-impairment on the roads and the workplace. This is a particularly pressing problem for the rapidly increasing number of patients in Australia who are using legal medicinal cannabis yet are prohibited from driving. The increase in legal recreational use of cannabis across multiple jurisdictions worldwide is also making the need for reform of cannabis-driving laws more urgent.\u201d<\/span><\/p>\n

Since the biomarkers currently being used by the cannabis breathalyzer are inaccurate in detecting impairment, perhaps it should be analyzing different biomarkers. The team from the university made mention of an app which can assess impairment. This could prove to be more effective than any cannabis breathalyzer has ever been.<\/span><\/p>\n

Why? Well, as mentioned before cannabis affects each consumer differently for a number of reasons including tolerance, plant potency, whether it was consumed along with another substance, etc. By making an application which does not assess biomarkers but instead abilities\u2014such as reaction time\u2014 it could more accurately determine the level of impairment.<\/span><\/p>\n

Study Suggests That Cannabis Breathalyzers are Ineffective<\/h2>\n

It is suggested that the cannabis breathalyzers are ineffective because one can not assess the concentration of cannabis as they are able to the concentration of alcohol in the body. <\/span>McGill explains that<\/span><\/a> when you blow into a breathalyzer, the ethanol from the alcohol in your breath reacts with the water from the air at the anode. <\/span><\/p>\n

This is then oxidized to form acetic acid, which McGill describes to be like vinegar. However, this is apparently not how cannabis works. That being said, the <\/span>Hound Labs Breathalyzer<\/span><\/a> seems to understand this as their breathalyzer acts as a mini mass spectrometer to measure the mass of specific molecules. Yet impairment may be subjective to each consumer.\u00a0<\/span><\/p>\n

Chris Halsor, a Colorado attorney, told <\/span>Discovery Magazine<\/span><\/a> that \u201cYou could absolutely have people under the influence of marijuana who had poor physical coordination,\u201d and that \u201cand you could also have people who were completely baked out of their minds and could ace them.\u201d While Peter Grinspoon tells them that he can understand how people like to quantify things and that \u201cI can understand how useful it would be to have a simple machine, a thing like a breathalyzer, that would simply allow law enforcement to say, ‘you’re impaired, you’re not impaired.’ However, it just doesn’t work that way.\u201d<\/span><\/p>\n

Whether by cannabis breathalyzer or by app, cannabis consumers will be subjected to impairment testing in the future. Considering the fact that consumers can not accurately recognize their level of impairment, the need for an accurate test is becoming increasingly important, especially when we add the fact that cannabis is gaining legalization across the globe.<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"

Cannabis breathalyzers were introduced as a means of identifying whether persons are under the influence of cannabis\u2014 particularly when operating a motor vehicle. Despite the wide availability of cannabis breathalyzers, detecting whether a person has recently consumed cannabis, and is still under the influence of it, is not as simple as detecting blood alcohol concentration….<\/p>\n","protected":false},"author":49,"featured_media":20906,"parent":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[255,259],"tags":[13168,4068,1876,12814,2228],"class_list":["post-20538","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news","category-research","tag-breathalyzers","tag-cannabis-law","tag-cannabis-research","tag-impairment","tag-intoxication"],"acf":[],"yoast_head":"\nCannabis Central<\/title>\n<meta name=\"description\" content=\"A new study suggests that cannabis breathalyzers are an inaccurate way to measure impairment. 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The study suggests coming up with other options.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.veriheal.com\/blog\/an-australian-study-reinforces-that-cannabis-breathalyzers-are-poor-indicators-of-intoxication\/\" \/>\n<meta property=\"og:site_name\" content=\"Cannabis Central\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/veriheal\" \/>\n<meta property=\"article:published_time\" content=\"2022-02-22T20:00:36+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2024-10-25T15:30:33+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.veriheal.com\/blog\/wp-content\/uploads\/2022\/02\/An-Australian-Study-Reinforces-That-Cannabis-Breathalyzers-Are-Poor-Indicators-of-Intoxication-1024x683.png\" \/>\n\t<meta property=\"og:image:width\" content=\"1024\" \/>\n\t<meta property=\"og:image:height\" content=\"683\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"author\" content=\"Chane Leigh\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@veriheal\" \/>\n<meta name=\"twitter:site\" content=\"@veriheal\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Chane Leigh\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"6 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/www.veriheal.com\/blog\/an-australian-study-reinforces-that-cannabis-breathalyzers-are-poor-indicators-of-intoxication\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/www.veriheal.com\/blog\/an-australian-study-reinforces-that-cannabis-breathalyzers-are-poor-indicators-of-intoxication\/\"},\"author\":{\"name\":\"Chane Leigh\",\"@id\":\"https:\/\/www.veriheal.com\/blog\/#\/schema\/person\/73d61739b251752028b4e59ddd92f03b\"},\"headline\":\"An Australian Study Reinforces That Cannabis Breathalyzers Are Poor Indicators of Intoxication\",\"datePublished\":\"2022-02-22T20:00:36+00:00\",\"dateModified\":\"2024-10-25T15:30:33+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/www.veriheal.com\/blog\/an-australian-study-reinforces-that-cannabis-breathalyzers-are-poor-indicators-of-intoxication\/\"},\"wordCount\":1133,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\/\/www.veriheal.com\/blog\/#organization\"},\"image\":{\"@id\":\"https:\/\/www.veriheal.com\/blog\/an-australian-study-reinforces-that-cannabis-breathalyzers-are-poor-indicators-of-intoxication\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/www.veriheal.com\/blog\/wp-content\/uploads\/2022\/02\/An-Australian-Study-Reinforces-That-Cannabis-Breathalyzers-Are-Poor-Indicators-of-Intoxication.png\",\"keywords\":[\"breathalyzers\",\"cannabis law\",\"cannabis research\",\"impairment\",\"intoxication\"],\"articleSection\":[\"News\",\"Research\"],\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\/\/www.veriheal.com\/blog\/an-australian-study-reinforces-that-cannabis-breathalyzers-are-poor-indicators-of-intoxication\/#respond\"]}],\"copyrightYear\":\"2022\",\"copyrightHolder\":{\"@id\":\"https:\/\/www.veriheal.com\/blog\/#organization\"}},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.veriheal.com\/blog\/an-australian-study-reinforces-that-cannabis-breathalyzers-are-poor-indicators-of-intoxication\/\",\"url\":\"https:\/\/www.veriheal.com\/blog\/an-australian-study-reinforces-that-cannabis-breathalyzers-are-poor-indicators-of-intoxication\/\",\"name\":\"Cannabis Central\",\"isPartOf\":{\"@id\":\"https:\/\/www.veriheal.com\/blog\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/www.veriheal.com\/blog\/an-australian-study-reinforces-that-cannabis-breathalyzers-are-poor-indicators-of-intoxication\/#primaryimage\"},\"image\":{\"@id\":\"https:\/\/www.veriheal.com\/blog\/an-australian-study-reinforces-that-cannabis-breathalyzers-are-poor-indicators-of-intoxication\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/www.veriheal.com\/blog\/wp-content\/uploads\/2022\/02\/An-Australian-Study-Reinforces-That-Cannabis-Breathalyzers-Are-Poor-Indicators-of-Intoxication.png\",\"datePublished\":\"2022-02-22T20:00:36+00:00\",\"dateModified\":\"2024-10-25T15:30:33+00:00\",\"description\":\"A new study suggests that cannabis breathalyzers are an inaccurate way to measure impairment. 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