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Science Based 28

By

Winston Peki

Can You Mix CBD and Alcohol?

CBD and Alcohol

CBD and alcohol are both compounds with depressant effects on the central nervous system.

This means that both compounds have a:

  • Tranquilizing;
  • Hypnotic, and
  • Sedative effect.

In medical literature combining alcohol with other tranquilizing or depressant compounds like benzodiazepines, is known to cause major negative side effects ranging from seizures to death in the most extreme cases.

Based on the existing medical literature, we would expect that combining CBD and alcohol may lead to similar negative effects.

But is this the case?

Let’s find out.

Summary of Main Points

  • CBD may reduce alcohol blood-levels, without reducing the pharmacological effects of alcohol;
  • CBD may protect against certain alcohol-related harmful effects like liver- and brain-damage;
  • CBD’s neuroprotective properties could protect against the damage done to the hippocampus by the consumption of alcohol;
  • CBD may reduce alcohol-induced anxiety and impulsivity when it comes to chronic and/or heavy alcohol use;
  • CBD may reduce alcohol-withdrawal-related convulsions;
  • All of these findings are preliminary and based on preclinical or animal studies.

The Effects of CBD and Alcohol

In the past decades, thousands of studies have shown that CBD is associated with various beneficial effects. The main beneficial effects attributed to CBD are:

  • Its analgesic (pain-reducing) effects (1);
  • Its anxiolytic (anxiety-reducing) effects (2);
  • Its anticonvulsant (anti-epileptic) effects (3), and;
  • Its hypnotic, sedative, and sleep-improving effects (4).

Especially CBD’s hypnotic and sedative effects may pose to be a problem when you want to combine both CBD and alcohol.

CBD is also associated with various side effects, the main ones being:

  • Diarrhea;
  • Pyrexia;
  • Decreased appetite, and;
  • Sleepiness/drowsiness.

CBD is also thought to be an inhibitor of a group of enzymes called CYP450 enzymes. These enzymes have a significant role in the metabolization of alcohol. These enzymes could be another way for CBD and alcohol to interact in your body. 

When it comes to alcohol, research shows that it can affect the human body in a myriad of ways (5). And while some of these are beneficial, most effects have a negative impact on your health:

  • Impairing motor function;
  • Cognitive performance, and;
  • Causing damage to the heart (6), brain (7), liver (8), and pancreas (9).

Now:

We can see that CBD is mainly associated with health benefits, while alcohol is mainly associated with negative health effects.

However, both compounds can have a sedative effect.

Since both alcohol and CBD can have a sedative effect, one may think that combining the two, will lead to improved sleep or relaxation. But keep in mind: there’s no scientific evidence supporting this notion. In fact, the evidence shows the opposite may be true…

Studies That Looked At The Effects of Mixing CBD and Alcohol

CBD Studies

The few studies that looked at the interactions between CBD and alcohol, found that CBD and alcohol indeed can interact in various ways.

CBD May Reduce Alcohol Blood Levels

The few studies that looked at the effects of using CBD and alcohol simultaneously found that:

CBD administered simultaneously with alcohol reduced blood alcohol levels. However, when CBD was administered one hour before alcohol consumption it had no effect on alcohol blood levels19.

Interestingly enough, while CBD reduced alcohol blood levels when coadministered simultaneously, it had no effect on the pharmacological effects caused by alcohol, like impairments of motor and psychomotor performances.

So while CBD may reduce alcohol blood levels, it doesn’t affect how the alcohol makes you feel, nor does it reduce the immediate risks associated with alcohol consumption like blackouts, impaired judgment, or decreased perception.

CBD May Protect Against Negative Health Effects Caused By Alcohol Consumption

As explained before, alcohol consumption is associated with various negative health effects including brain- and liver-damage.

CBD on the other hand is associated with potent anti-inflammatory and anti-oxidant effects, potent enough to potentially counteract some of the negative health effects caused by alcohol consumption.

For example, a 2019 review study (10) found that:

Preliminary preclinical results suggest that CBD can attenuate alcohol consumption and potentially protect against certain harmful effects of alcohol, such as liver and brain damage

This means that CBD may be a viable way to reduce the potential damage caused by alcohol consumption. Further studies should be done to find to what extent CBD can protect against alcohol-induced liver- and brain-damage.

This is also one of the reasons why CBD may be helpful in reducing symptoms of an alcohol-induced hangover.

CBD May Reduce Alcohol Consumption and Alcohol-Withdrawal Symptoms

CBD could also have a role in alcohol withdrawal and relapse. Various animal studies have found that CBD can reduce alcohol-induced anxiety and impulsivity and alcohol-withdrawal-related convulsions (11). Not only did CBD reduce the symptoms associated with alcohol withdrawal, but it also reduced the need/motivation for alcohol consumption.

While the exact mechanism of action remains unclear one hypothesis explains CBD’s potential to reduce alcohol-induced anxiety and impulsivity through its 5-HT1A activation and indirect potentiation of endocannabinoid transmission through inhibition of anandamide breakdown.

Of course, preliminary findings in preclinical and animal studies aren’t directly applicable to humans, but these initial findings definitely warrant more extensive study.

Is Alcohol Mixed With CBD a Good Sleep Aid?

Apart from the previously mentioned effects, alcohol can also, similarly to CBD, cause sleepiness. Studies show that drinking alcohol before going to bed reduces the amount of time needed to fall asleep (12), and initially, the alcohol-induced sleep will even be deeper. However, it doesn’t mean that the benefits outweigh the downsides.

According to one study, alcohol consumption before sleep led to frequent waking up throughout the night and feeling less rested in the morning (13).

In another study focused on the relationship between alcohol and sleep, researchers found that although alcohol consumption could help insomniacs in rare cases (14), for the majority of people, alcohol is not a good sleep aid, as it shortens the REM sleep phase, which is essential for learning new information (15).

At the same time, consuming alcohol in the evenings suppresses the secretion of melatonin (16), which is a sleep hormone. In yet another study, “chronically drinking hamsters” were found to have disrupted circadian rhythms (17), making it harder to fall asleep at regular times.

Unfortunately, although studies show that alcohol reduces the time required to fall asleep, it has a negative effect on sleep quality. Because of that, if you are experiencing sleep problems, you shouldn’t mix CBD oil and alcohol – it’s best to stick to just CBD.

RELATED: Best CBD Oil for Sleep

Separately, both of them could help you fall asleep faster, so it might seem logical that mixing those two substances could bring about an even more potent effect. Still, even if you’ll fall asleep more quickly, with alcohol, your sleep won’t be as restorative.

Could CBD Make the Effects of Alcohol Less Harmful?

 (Neuro)protective effect CBD

A 2019 study (18) suggests that CBD’s neuroprotective properties could protect against the damage done to the hippocampus by the consumption of alcohol. That’s not all – CBD could also help addicts control the urge to consume alcohol.

Another study showed that CBD could also help deal with tobacco addiction, making it easier to exercise self-control (19). Though we need more research on this subject, the early findings on CBD’s anti-addictive properties are undoubtedly interesting.

When it comes to the effects of mixing alcohol and CBD on blood alcohol levels and motor functions, the studies are inconclusive. A 1979 study (20) suggests that mixing both of those substances could lower blood alcohol levels. Nonetheless, it didn’t lead to motor functions not being impaired or being affected to a lower degree – quite the contrary. While combing the two lead to lower blood alcohol levels, the pharmacological effects of the alcohol stayed the same.

However, another study, during which participants consumed a much lower amount of CBD than in the previous study, showed different results (21). This time, taking CBD and alcohol together did not lead to lower than expected levels of blood alcohol levels. However, regardless of the effects of mixing alcohol and CBD on the BAC, it is safe to say that it won’t allow you to maintain your motor functions to a greater degree.

Animal studies indicate that the application of CBD gel protects from alcohol-induced neurodegeneration (22). It is unknown if taking those two substances in a different form, e.g., consuming CBD oil and alcohol could lead to the same benefits. At the same time, we cannot be sure if this property of CBD would also work on humans, but animal studies certainly seem promising.

Additionally, CBD has been found to protect the liver from the effects of alcohol (23).

Is It Safe to Mix CBD and Alcohol?

While current study results show that combining pure CBD with alcohol doesn’t necessarily lead to adverse reactions, as we have mentioned in our article about CBD and pregnancy, the problem with CBD products is that oftentimes, they are mislabeled.

As a result, the CBD oil that you bought could contain a significant amount of THC for example. According to one study (24), only 31% of tested CBD products were accurately labeled. However, what’s even more problematic, 21% of the CBD products that were sold as THC-free did, in fact, contain THC. That’s why we always recommend getting CBD products from reputable and transparent companies that provide results of third-party lab-test reports.

What’s the risk? Combining THC and alcohol does come with significant health risks. For example, various studies found that combining THC with alcohol is correlated with heavier alcohol use (25, 26), making alcohol’s negative effects more likely to occur.

At the same time, alcohol consumption leads to higher THC levels in the blood (27). Because of that, the motor functions are impaired for a longer period of time, increasing the possibility of an adverse situation, like a car accident taking place.

Conclusion

Although it doesn’t seem likely that consuming small amounts of CBD and alcohol will lead to severe adverse reactions, you should remember that our bodies are complex mechanisms. People react differently when consuming the exact same substances.

On the Food and Drug Administration website (28), you can find a warning that mixing alcohol and CBD may potentially lead to injuries. At the same time, due to the limited number of studies and research about the effects of mixing CBD and alcohol, the Federal Alcohol Regulator does not allow CBD inside alcoholic beverages.

Although most studies seem to indicate that consuming small amounts of CBD and alcohol isn’t dangerous, quite the contrary – even possibly providing protection against the harmful effects of alcohol, it is too early to reach any conclusions. CBD may be perfectly fine to mix with a couple of beers or a glass of red wine, it’s just that we don’t know yet, and it’s best not to risk until we have 100% certainty.

It is true that most of the studies that we have mentioned in this article seem to suggest that it is safe to take CBD and drink alcohol, but the problem is that there aren’t that many studies on the safety of mixing those two. Even though some studies suggest that CBD could help with alcohol withdrawals and addiction, we recommend avoiding mixing CBD and alcohol until we have access to more research.

What’s Next…

Go  to our CBD Hub to learn more about CBD-related topics.

Scientific References:

  1. Russo, E. (2008). Cannabinoids in the management of difficult to treat pain. Therapeutics and Clinical Risk Management, Volume 4, 245–259. https://doi.org/10.2147/tcrm.s1928

  2. Linares, I. M., Zuardi, A. W., Pereira, L. C., Queiroz, R. H., Mechoulam, R., Guimarães, F. S., & Crippa, J. A. (2019). Cannabidiol presents an inverted U-shaped dose-response curve in a simulated public speaking test. Brazilian Journal of Psychiatry, 41(1), 9–14. https://doi.org/10.1590/1516-4446-2017-0015

  3. Lazarini-Lopes, W., do Val-da Silva, R. A., da Silva-Júnior, R. M., Leite, J. P., & Garcia-Cairasco, N. (2020). The anticonvulsant effects of cannabidiol in experimental models of epileptic seizures: From behavior and mechanisms to clinical insights. Neuroscience & Biobehavioral Reviews, 111, 166–182. https://doi.org/10.1016/j.neubiorev.2020.01.014

  4. Shannon, S. (2019). Cannabidiol in Anxiety and Sleep: A Large Case Series. The Permanente Journal, 23. Published. https://doi.org/10.7812/tpp/18-041

  5. Grønbaek, M. (2009). The positive and negative health effects of alcohol- and the public health implications. Journal of Internal Medicine, 265(4), 407–420. https://doi.org/10.1111/j.1365-2796.2009.02082.x

  6. Piano, M. R. (2017). Alcohol’s effects on the cardiovascular system. Alcohol Research: Current Reviews, 38(2), 219+. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5513687/
  7. Alfonso-Loeches, S., & Guerri, C. (2011). Molecular and behavioral aspects of the actions of alcohol on the adult and developing brain. Critical Reviews in Clinical Laboratory Sciences, 48(1), 19–47. https://doi.org/10.3109/10408363.2011.580567

  8. Udoh, U., Valcin, J., Gamble, K., & Bailey, S. (2015). The Molecular Circadian Clock and Alcohol-Induced Liver Injury. Biomolecules, 5(4), 2504–2537. https://doi.org/10.3390/biom5042504

  9. Apte, M. V., Wilson, J. S., & Korsten, M. A. (1997). Alcohol-related pancreatic damage: mechanisms and treatment. Alcohol Health & Research World, 21(1), 13+. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6826792/
  10. Nona, C. N., Hendershot, C. S., & le Foll, B. (2019). Effects of cannabidiol on alcohol-related outcomes: A review of preclinical and human research. Experimental and Clinical Psychopharmacology, 27(4), 359–369. https://doi.org/10.1037/pha0000272

  11. Nona, C. N., Hendershot, C. S., & le Foll, B. (2019b). Effects of cannabidiol on alcohol-related outcomes: A review of preclinical and human research. Experimental and Clinical Psychopharmacology, 27(4), 359–369. https://doi.org/10.1037/pha0000272

  12. Ebrahim, I. O., Shapiro, C. M., Williams, A. J., & Fenwick, P. B. (2013). Alcohol and Sleep I: Effects on Normal Sleep. Alcoholism: Clinical and Experimental Research, 37(4), 539` – 549. https://doi.org/10.1111/acer.12006

  13. Britton, A., Fat, L. N., & Neligan, A. (2020). The association between alcohol consumption and sleep disorders among older people in the general population. Scientific Reports, 10(1). https://doi.org/10.1038/s41598-020-62227-0

  14. ROEHRS, T., & ROTH, T. (2001). Sleep, Sleepiness, and Alcohol Use. Alcohol Research & Health, 25(2), 101. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6707127/
  15. Karni, A., Tanne, D., Rubenstein, B. S., Askenasy, J. J. M., & Sagi, D. (1994). Dependence on REM Sleep of Overnight Improvement of a Perceptual Skill. Science, 265(5172), 679–682. https://doi.org/10.1126/science.8036518

  16. Rupp, T. L., Acebo, C., & Carskadon, M. A. (2007). Evening Alcohol Suppresses Salivary Melatonin in Young Adults. Chronobiology International, 24(3), 463–470. https://doi.org/10.1080/07420520701420675

  17. Ruby, C. L., Brager, A. J., DePaul, M. A., Prosser, R. A., & Glass, J. D. (2009). Chronic ethanol attenuates circadian photic phase resetting and alters nocturnal activity patterns in the hamster. American Journal of Physiology-Regulatory, Integrative and Comparative Physiology, 297(3), R729–R737. https://doi.org/10.1152/ajpregu.00268.2009

  18. Turna, J., Syan, S. K., Frey, B. N., Rush, B., Costello, M. J., Weiss, M., & MacKillop, J. (2019). Cannabidiol as a Novel Candidate Alcohol Use Disorder Pharmacotherapy: A Systematic Review. Alcoholism: Clinical and Experimental Research, 43(4), 550–563. https://doi.org/10.1111/acer.13964

  19. Morgan, C. J., Das, R. K., Joye, A., Curran, H. V., & Kamboj, S. K. (2013). Cannabidiol reduces cigarette consumption in tobacco smokers: Preliminary findings. Addictive Behaviors, 38(9), 2433–2436. https://doi.org/10.1016/j.addbeh.2013.03.011

  20. Consroe, P., Carlini, E. A., Zwicker, A. P., & Lacerda, L. A. (1979). Interaction of cannabidiol and alcohol in humans. Psychopharmacology, 66(1), 45–50. https://doi.org/10.1007/bf00431988

  21. Belgrave, B. E., Bird, K. D., Chesher, G. B., Jackson, D. M., Lubble, K. E., Starmer, G. A., & Teo, R. K. C. (1979). The effect of cannabidiol, alone and in combination with ethanol, on human performance. Psychopharmacology, 64(2), 243–246. https://doi.org/10.1007/bf00496070

  22. Liput, D. J., Hammell, D. C., Stinchcomb, A. L., & Nixon, K. (2013). Transdermal delivery of cannabidiol attenuates binge alcohol-induced neurodegeneration in a rodent model of an alcohol use disorder. Pharmacology Biochemistry and Behavior, 111, 120–127. https://doi.org/10.1016/j.pbb.2013.08.013

  23. Yang, L., Rozenfeld, R., Wu, D., Devi, L. A., Zhang, Z., & Cederbaum, A. (2014). Cannabidiol protects liver from binge alcohol-induced steatosis by mechanisms including inhibition of oxidative stress and increase in autophagy. Free Radical Biology and Medicine, 68, 260–267. https://doi.org/10.1016/j.freeradbiomed.2013.12.026

  24. Bonn-Miller, M. O., Loflin, M. J. E., Thomas, B. F., Marcu, J. P., Hyke, T., & Vandrey, R. (2017). Labeling Accuracy of Cannabidiol Extracts Sold Online. JAMA, 318(17), 1708. https://doi.org/10.1001/jama.2017.11909

  25. Metrik, J., Gunn, R. L., Jackson, K. M., Sokolovsky, A. W., & Borsari, B. (2018). Daily Patterns of Marijuana and Alcohol Co-Use Among Individuals with Alcohol and Cannabis Use Disorders. Alcoholism: Clinical and Experimental Research, 42(6), 1096–1104. https://doi.org/10.1111/acer.13639

  26. Subbaraman, M. S., & Kerr, W. C. (2015). Simultaneous Versus Concurrent Use of Alcohol and Cannabis in the National Alcohol Survey. Alcoholism: Clinical and Experimental Research, 39(5), 872–879. https://doi.org/10.1111/acer.12698

  27. Hartman, R. L., Brown, T. L., Milavetz, G., Spurgin, A., Gorelick, D. A., Gaffney, G., & Huestis, M. A. (2015). Controlled Cannabis Vaporizer Administration: Blood and Plasma Cannabinoids with and without Alcohol. Clinical Chemistry, 61(6), 850–869. https://doi.org/10.1373/clinchem.2015.238287

  28. Office of the Commissioner. (2020, March 5). What You Need to Know (And What We’re Working to Find Out) About Products Containing Cannabis or Cannabis-derived Compounds, Including CBD. Retrieved from https://www.fda.gov/consumers/consumer-updates/what-you-need-know-and-what-were-working-find-out-about-products-containing-cannabis-or-cannabis

Post last updated on: March 29, 2022

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Winston Peki

Reviewing vaporizers, growing supplies, CBD products and scientific articles about cannabis, cannabinoids, and vaping since 2012. Read more about Winston here. LinkedIn

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© Copyright www.herbonaut.com · All Rights Reserved. The content on this website is for informational purposes only and is not intended as medical advice. Medical advice should always be obtained from a qualified medical professional for any health conditions or symptoms associated with them. Every possible effort has been made in preparing and researching this material. We make no warranties with respect to the accuracy, applicability of its contents or any omissions.

Science Based

This article is based on scientific studies, written by Winston Peki and fact-checked by experts.

Inside this article, you can find references to peer-reviewed scientific studies. The numbers in the parentheses (1, 2, …) are clickable links to these peer-reviewed scientific studies. In some cases, the link will give you direct access to the study, while in other cases if you want to read the full study, you either have to pay the publisher a fee or find a free version of the study elsewhere.

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Scientific References

Russo, E. (2008). Cannabinoids in the management of difficult to treat pain. Therapeutics and Clinical Risk Management, Volume 4, 245–259. https://doi.org/10.2147/tcrm.s1928

Linares, I. M., Zuardi, A. W., Pereira, L. C., Queiroz, R. H., Mechoulam, R., Guimarães, F. S., & Crippa, J. A. (2019). Cannabidiol presents an inverted U-shaped dose-response curve in a simulated public speaking test. Brazilian Journal of Psychiatry, 41(1), 9–14. https://doi.org/10.1590/1516-4446-2017-0015

Lazarini-Lopes, W., do Val-da Silva, R. A., da Silva-Júnior, R. M., Leite, J. P., & Garcia-Cairasco, N. (2020). The anticonvulsant effects of cannabidiol in experimental models of epileptic seizures: From behavior and mechanisms to clinical insights. Neuroscience & Biobehavioral Reviews, 111, 166–182. https://doi.org/10.1016/j.neubiorev.2020.01.014

Shannon, S. (2019). Cannabidiol in Anxiety and Sleep: A Large Case Series. The Permanente Journal, 23. Published. https://doi.org/10.7812/tpp/18-041

Grønbaek, M. (2009). The positive and negative health effects of alcohol- and the public health implications. Journal of Internal Medicine, 265(4), 407–420. https://doi.org/10.1111/j.1365-2796.2009.02082.x

Piano, M. R. (2017). Alcohol's effects on the cardiovascular system. Alcohol Research: Current Reviews, 38(2), 219+. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5513687/

Alfonso-Loeches, S., & Guerri, C. (2011). Molecular and behavioral aspects of the actions of alcohol on the adult and developing brain. Critical Reviews in Clinical Laboratory Sciences, 48(1), 19–47. https://doi.org/10.3109/10408363.2011.580567

Udoh, U., Valcin, J., Gamble, K., & Bailey, S. (2015). The Molecular Circadian Clock and Alcohol-Induced Liver Injury. Biomolecules, 5(4), 2504–2537. https://doi.org/10.3390/biom5042504

Apte, M. V., Wilson, J. S., & Korsten, M. A. (1997). Alcohol-related pancreatic damage: mechanisms and treatment. Alcohol Health & Research World, 21(1), 13+. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6826792/

Nona, C. N., Hendershot, C. S., & le Foll, B. (2019). Effects of cannabidiol on alcohol-related outcomes: A review of preclinical and human research. Experimental and Clinical Psychopharmacology, 27(4), 359–369. https://doi.org/10.1037/pha0000272

Nona, C. N., Hendershot, C. S., & le Foll, B. (2019b). Effects of cannabidiol on alcohol-related outcomes: A review of preclinical and human research. Experimental and Clinical Psychopharmacology, 27(4), 359–369. https://doi.org/10.1037/pha0000272

Ebrahim, I. O., Shapiro, C. M., Williams, A. J., & Fenwick, P. B. (2013). Alcohol and Sleep I: Effects on Normal Sleep. Alcoholism: Clinical and Experimental Research, 37(4), 539` – 549. https://doi.org/10.1111/acer.12006

Britton, A., Fat, L. N., & Neligan, A. (2020). The association between alcohol consumption and sleep disorders among older people in the general population. Scientific Reports, 10(1). https://doi.org/10.1038/s41598-020-62227-0

ROEHRS, T., & ROTH, T. (2001). Sleep, Sleepiness, and Alcohol Use. Alcohol Research & Health, 25(2), 101. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6707127/

Karni, A., Tanne, D., Rubenstein, B. S., Askenasy, J. J. M., & Sagi, D. (1994). Dependence on REM Sleep of Overnight Improvement of a Perceptual Skill. Science, 265(5172), 679–682. https://doi.org/10.1126/science.8036518

Rupp, T. L., Acebo, C., & Carskadon, M. A. (2007). Evening Alcohol Suppresses Salivary Melatonin in Young Adults. Chronobiology International, 24(3), 463–470. https://doi.org/10.1080/07420520701420675

Ruby, C. L., Brager, A. J., DePaul, M. A., Prosser, R. A., & Glass, J. D. (2009). Chronic ethanol attenuates circadian photic phase resetting and alters nocturnal activity patterns in the hamster. American Journal of Physiology-Regulatory, Integrative and Comparative Physiology, 297(3), R729–R737. https://doi.org/10.1152/ajpregu.00268.2009

Turna, J., Syan, S. K., Frey, B. N., Rush, B., Costello, M. J., Weiss, M., & MacKillop, J. (2019). Cannabidiol as a Novel Candidate Alcohol Use Disorder Pharmacotherapy: A Systematic Review. Alcoholism: Clinical and Experimental Research, 43(4), 550–563. https://doi.org/10.1111/acer.13964

Morgan, C. J., Das, R. K., Joye, A., Curran, H. V., & Kamboj, S. K. (2013). Cannabidiol reduces cigarette consumption in tobacco smokers: Preliminary findings. Addictive Behaviors, 38(9), 2433–2436. https://doi.org/10.1016/j.addbeh.2013.03.011

Consroe, P., Carlini, E. A., Zwicker, A. P., & Lacerda, L. A. (1979). Interaction of cannabidiol and alcohol in humans. Psychopharmacology, 66(1), 45–50. https://doi.org/10.1007/bf00431988

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