Can cannabis help stress?

Overview

Cannabis and CBD for stress relief is already a popular option for patients looking to relax, but how much do we know about how it works? Research tells us that the two most prevalent cannabinoids, tetrahydrocannabinol (THC) and cannabidiol (CBD), reduce stress and anxiety through their interaction with the endocannabinoid system (ECS).

Stress is a normal reaction to demanding or threatening situations in life, making the benefits of cannabis for stress particularly intriguing. Our bodies have psychological and physical reactions for dealing with stress—by releasing hormones that raise your heart rate and raise your blood pressure. When the stressful situation ends, according to the Mayo Clinic, “your body is meant to return to a normal, relaxed state. Unfortunately, the nonstop complications of modern life mean that some people’s alarm systems rarely shut off.” When stress levels don’t abate, chronic stress can begin to cause health problems.

Making things more complicated, stress has historically been used to describe dozens of different physical and mental phenomenon, such as frustration, overwork, anxiety, exhaustion, distress, fear, despair, premenstrual tension, over-focusing, confusion, and even mourning.

With the growing body of a clinical study into cannabis and anxiety reduction or stress, plus the deeper understanding of the endocannabinoid system as a whole, it seems highly plausible that further research will help cement the role of cannabis as an effective natural compound for stress reduction, most likely when paired with other therapies and methods.

The early research suggests CBD for stress relief is especially effective, and in some cases, lower doses of THC may also be beneficial (and that higher doses of THC may trigger discomfort). Given that the benefits of cannabis for stress have a well-established safety profile with mild side effects, patients may find it is a useful tool for the treatment of stress and anxiety.

The Endocannabinoid System

he ECS manages many physiological and pathological processes necessary for human life. These include mood regulation, stress management, memory formation and retention, appetite, pain, and inflammation. The system functions through a body-wide network of receptors and chemical messengers that make the relationship between cannabis and anxiety reduction possible. Both sets of endocannabinoid molecules are in a constant state of flux—activating and deactivating physiological responses throughout the body.

There are two known endocannabinoid receptors: CB1 and CB2. The former is concentrated in the brain, central nervous system, and major organs like the heart, lungs, and gastrointestinal tract. The latter type is found throughout the immune system, the spleen, bones, and in the skin. There are also many areas where both exist. Endocannabinoids and cannabinoids bind to CB1 and CB2 receptors to produce effects like the benefits of cannabis for stress. 

The ECS is best understood as a vast network of messengers, endocannabinoids, which are being sent out to endocannabinoid receptors. In response to physiological or pathological stressors, the human body attempts to bring the system back into balance by sending these endocannabinoid messengers to the necessary receptors. Endocannabinoids fit perfectly into endocannabinoid receptors, like a key in the right lock. These messengers deliver instructions which either activate or deactivate cellular activity. For example, they may activate an inflammatory response or mediate it.

In addition to the cannabinoids produced inside the body, there are also phytocannabinoids (similar molecules produced by plants), which also interact with the ECS. Cannabis plants produce the most by far, with over 140 known cannabinoids.

When they enter the body, these natural compounds travel through the ECS and mimic many of the body’s naturally occuring endocannabinoids. It’s no wonder CBD oil for stress relief is becoming a popular option for patients.

Two of the most common cannabinoids in cannabis are THC and CBD. Because of the way they interact with the ECS, they are the target of intense research for the possible treatment of chronic illness and disease, like cannabis and anxiety reduction.

Because the ECS plays a crucial role in the body’s internal stress response, cannabis as a stress reducer is an obvious therapeutic target. According to a 2005 analysis of the ECS and stress response published in the Journal of Neuropsychopharmacology, “The stress response is a biological cascade of events that occurs in response to a real or perceived threat to homeostasis.” When it kicks into action, “it requires the coordinated activation of a constellation of physiological systems that act to promote the survival of the organism.”

Acute and chronic stress trigger a rapid reaction within the hypothalamic-pituitary-adrenal axis, different areas of the brain and the adrenal glands that regulate the body’s response to stress. First there is an immediate reduction in two primary endocannabinoids: anandamide (AEA) and 2-arachidonoyl glycerol (2-AG). Normally, AEA regulates dopamine levels, and can lead to a decrease in anxiety, and 2-AG is connected to pleasurable feelings and pain reduction. At the most basic level, stress-triggered reductions in both 2-AG and AEA generally lead to a decrease in pleasure.

During—and after—exposure to stressful stimuli, the increases in endocannabinoid signaling eventually affect other areas controlled by the ECS, including anxiety, pain, memory, and reward-seeking behavior.

Stress & Cannabis

In survey after survey, medical cannabis patients list the benefits of cannabis for stress as a top reason for use. Stress can mean many things to many people, but the sheer numbers of patients reporting it is a strong indication that it has significant therapeutic value. Research does show that cannabis has the potential to modulate stress thanks to its interaction with the ECS, including cannabis and anxiety reduction.

Of particular importance are the two most common cannabinoids: THC and CBD. Only the former is intoxicating.The cannabis-derived molecule THC is a CB1 agonist—meaning it binds perfectly to the CB1 receptors. While CBD is less direct in its mechanism, researchers believe it is a CB1 and CB2 receptor antagonist. This means it doesn’t bind directly with these receptors but instead inhibits their activity.

Strainprint, a mobile app tracking medical marijuana use, crunched the numbers from 11,953 medical cannabis use sessions. This included 8,802 sessions specifically for stress and anxiety. A paper published in the Journal of Affective Disorders in 2018 concluded that 58% of medical cannabis users experienced the benefits of cannabis for stress and anxiety following cannabis use. High-THC/high-CBD strains appear especially useful for treatment of patients with cannabis as a stress reducer.

In a famous study performed in Brazil and published in Neuropsychopharmacology in 2011, researchers explored CBD’s impact on stress during a simulated public speech. The study looked at 24 patients with social anxiety disorder who were treatment naive (i.e., they had never undergone treatment for the condition), plus 12 control participants. The study found that “pretreatment with CBD for stress relief significantly reduced anxiety, cognitive impairment and discomfort in [the patients’] speech performance, and significantly decreased alert in their anticipatory speech.”

In a 2017 study published in the Journal of Drug and Alcohol Dependence, researchers investigated the effects of THC on emotional responses to acute psychosocial stress, exploring the relationship between cannabis and anxiety reduction. Researchers subjected the 42 study participants to varying levels of THC, in combination with the Trier Social Stress Test (TSST). The researchers also performed a control test. They found that low doses of THC “significantly reduced self-reported subjective distress after the TSST and attenuated post-task appraisals of the TSST as threatening and challenging.” The higher dose had a negative impact. Lower THC worked best during this controlled testing.

Are there risks of medical marijuana use for stress? Most experts agree with the findings of Caroline A. MacCallum and Ethan B. Russo that, “Cannabis has a superior safety profile in comparison to many other medications, with no reported deaths due to overdose.” Yet, cannabis is a psychoactive plant and should always be approached with caution when using cannabis as a stress reducer. For example, children and youth are at a higher risk for adverse reactions due to high THC varieties. It’s important that all patients speak with their physician prior to use of the benefits of cannabis for stress.

Conclusion

Historically, cannabis has been a go-to therapeutic option for many people looking to reduce stress and regulate anxiety. It is always one of the top reported reasons for medical cannabis use, even if it hasn’t made the cut as a qualifying condition in the US, or at least not yet. With the growing body of a clinical study into CBD for stress relief, cannabis and stress, plus the deeper understanding of the endocannabinoid system as a whole, it seems highly plausible that further research will help cement cannabis’ role is an effective natural compound for stress reduction, most likely when paired with other therapies and methods.

The early research suggests CBD is especially effective, and in some cases, lower doses of THC may also be beneficial (and that higher doses of THC may trigger discomfort). Given that the relationship between cannabis and anxiety reduction has a well-established safety profile with mild side effects, patients may find it is a useful tool for the treatment of stress and anxiety.

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This article was originally published on The Cannigma, and shared here with permission.