This article discusses the effect of cannabis on our speech. It also examines how different methods of consumption affect our speech.

A new study from the University of Montreal has been published that suggests cannabis can affect our speech. The study found that patients who smoked cannabis had a harder time articulating their words and speaking clearly. Read more in detail here: veriheal reviews.

Cannabis use may be related to modest but long-lasting alterations in speech, according to preliminary study just published in the journal Drug and Alcohol Dependence. This influence on speech is believed to be related to affects on cannabis users’ motor functions, which are defined by Psychology Dictionary as “any action or movement that needs our brains and muscles to operate together,” such as walking and speaking.

Slow, laborious speech production as a consequence of cannabis usage has long been suspected, but there is very little data to back it up, according to the researchers. Thankfully, this research from 2021 put some light on the issue.

The results of a speech study are ambiguous.

The study’s goal was to compare the speech of those who had used recreational cannabis to that of non-consumers. The researchers took samples from 31 individuals who had previously used cannabis and 40 adults who had never used it. Simple and difficult speech-related activities were assigned to the participants, including a monologue, reciting days of the week, and reading a phonetically balanced paragraph (dubbed “The Godfather Passage”).

The study team recorded the tasks of the participants and then used acoustic analysis to examine the audio. The team was able to get insight into measurements of timing, voice control, and quality as a result of this. The researchers said there were minor variations between the two groups of participants, especially in timing, vocal effort, and voice quality, but the results “remained ambiguous,” indicating the differences were too tiny to draw any firm conclusions.

“Speech is sensitive to brain health,” study co-author Adam Vogel said on Twitter. Even in otherwise healthy individuals, alterations in behavior and cognitive/motor actions may develop as a result of drug use.” The team of experts was able to determine if cannabis has impacts on speech by comparing individuals who have used cannabis in the past to those who have not. Participants with a history of other drug use, such as opioids, were excluded from the study, since this may have influenced the findings.

Vogel stated that the disparities they found were “not the consequence of those two characteristics of the speaker,” since they “controlled for drinking and cigarette use in cohorts.” When the participants read from “The Godfather Passage,” those with a history of cannabis use showed greater vocal effort and worse voice quality and intensity, which was one of the most apparent variances.

“Prolonged use of cannabis may cause changes in neurological function, which may show as minor modifications in speech,” Vogel told PsyPost. “These changes are unlikely to be detected by the human ear, necessitating the use of specialist techniques to identify tiny but possibly real performance improvements.”

When comparing the cannabis group to the control group, the researchers discovered that the cannabis group’s speech showed more variability in pause duration and was less likely to maintain constant vocal intensity (those with no cannabis consumption history). However, the changes they discovered were not statistically significant, indicating that cannabis had no effect on these speech characteristics.

Vogel also told PsyPost that the study’s data was restricted to a particular time point since the participants were not tracked throughout time. “We’re assuming that the differences we saw across groups (cannabis vs. non-drug users) were due to cannabis usage rather than anything else we haven’t considered.”

So, How Does This Affect Cannabis Users?

The study seems to indicate the possibility of harmful consequences from frequent cannabis usage on the surface, but it ultimately requires additional data to back up any claims—a recurrent theme in in-depth cannabis research. This implies that cannabis users should be aware of the possibility of a long-term effect on speech, but there is no assurance that this danger will materialize.

It’s also important to recognize that the strength of the cannabis ingested matters. For example, many people have asserted (without proof) that cannabis use causes slurred speech. While the allegation hasn’t been well investigated, slurred speech may be the consequence of high-potency cannabis or large doses that cause strong highs. In fact, high potency is increasingly being linked to negative side effects of cannabis.

A far earlier research, published in 1986, looked at the acute effects of cannabis on social interaction and found that cannabis users’ speech quality was substantially worse. “Marijuana seems to be an exception to the general trend that drugs of abuse enhance verbal interaction,” the researchers found. However, since this study was mainly observational and performed at a period when cannabis research was strictly regulated, it has major limitations.

Exploring the plant’s affects, both positive and negative, is an important part of safe cannabis use. Though study indicates that there may be small dangers to be aware of as a frequent cannabis user, the results are not yet conclusive enough to warrant concern. It’s also important to remember that the numerous established medicinal advantages of cannabis far exceed any possible drawbacks.

Have you observed any changes in your own speech after using cannabis on a regular basis? Please let us know in the comments section below.


Chane Leigh, nicknamed The Bud Fairy, is a cannabis advocate and enthusiast from South Africa with a fiery personality and a desire to travel. She enjoys educating others and challenging social conventions.

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