Node Smith, ND

With the increase in legalization of marijuana many more people may be using the plant recreationally. Though the effects are completely different, marijuana is a mind altering substance, which raises similar questions when choosing to use it, such as “is it safe to drive,” or “how impaired am I?” Assessing impairment after marijuana use, however, has been somewhat difficult.

Researchers created a prototype of an app that helps to assess level of impairment after using cannabis

Researchers have created a prototype for an app that will be able to help assess the level of impairment after marijuana use. The app could be beneficial in helping recreational and medical marijuana users better understand the effects of the plant. The app will be a phone-based system called “Am I Stoned.”

The initial testing of the app was presented at the American Society for Pharmacology and Experimental Therapeutics annual meeting this year in San Diego.

“Am I stoned” App

The overarching goal of the app is to “improve the safety of cannabis use by making individual users more aware of their impairment,” said research team leader Harriet de Wit, professor in the Department of Psychiatry and Behavioral Neuroscience at the University of Chicago. It is also a hope that the app will help gather information that will add to the overall knowledge of cannabis use and its effects on users.

How the app was developed

The development of the app was rather interesting. The developers first had to find various tasks that would be able to assess impairment in a natural setting. Healthy non-daily marijuana users took either a placebo or 7.5mg or 15mg of tetrahydrocannabinol (THC) – the psychoactive ingredient in marijuana. The participants were then asked to perform various standardized online tasks that are known to detect impairment as well as tasks on smartphones.

What the researchers found

Impairment was accurately assessed using 3 of the 4 initially used computer functions and one of the smartphone tasks. The researchers also found that most people were aware of their impairment in a general sense – meaning that the blinding of the study was generally revealed to participants after administration of the substance.

“Effects of THC on performance may be subtle”

The researchers acknowledged that the “effects of THC on performance may be subtle,” creating a need for very highly sensitive measures of detection for impairment. The difference between the computer programs and the smartphone apps may be the length of time needed to complete the tasks. The computer tasks may have been more sensitive because they took 15-20 minutes to complete, but this may not be realistic in a natural setting.

Reminder: intent is to assess impairment, not predict ability to drive

The intention of the app is not to predict an individual’s ability to drive but will hopefully help to personally assess impairment. The app will likely require establishing a baseline while completely sober.

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Node Smith, ND, is a naturopathic physician in Portland, OR and associate editor for NDNR. He has been instrumental in maintaining a firm connection to the philosophy and heritage of naturopathic medicine among the next generation of docs. He helped found the first multi-generational experiential retreat, which brings elders, alumni, and students together for a weekend camp-out where naturopathic medicine and medical philosophy are experienced in nature. Four years ago he helped found the non-profit, Association for Naturopathic ReVitalization (ANR), for which he serves as the board chairman. ANR has a mission to inspire health practitioners to embody the naturopathic principles through experiential education. Node also has a firm belief that the next era of naturopathic medicine will see a resurgence of in-patient facilities which use fasting, earthing, hydrotherapy and homeopathy to bring people back from chronic diseases of modern living; he is involved in numerous conversations and projects to bring about this vision.

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