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  • Christopher D.

Does Marijuana Affect Body Temperature? The Connection Between Cannabis and Thermoregulation

Marijuana, with its active component delta-9-tetrahydrocannabinol (THC), has long been associated with various physiological and psychological effects. Among these effects, the impact on body temperature has garnered attention in both scientific and recreational circles.

In this article, we will explore the relationship between marijuana and body temperature, shedding light on the potential effects and considerations associated with its use. While research indicates that marijuana may impact body temperature, it is important to note that significant changes are more likely to occur when marijuana is consumed in very high doses.

The Basics of Thermoregulation

Before delving into the effects of marijuana on body temperature, it's essential to understand how the body regulates its temperature.

Thermoregulation is the process by which the body maintains its core temperature within a narrow range, typically around 98.6°F (37°C). The hypothalamus, a part of the brain, plays a crucial role in thermoregulation, acting as a thermostat that senses changes in body temperature and triggers responses to maintain stability.

The Potential Effects of Marijuana on Body Temperature

Marijuana has been associated with vasodilation, the widening of blood vessels, which can lead to an initial feeling of warmth or flushing. This vasodilation may give the perception of an increase in body temperature. This effect is often temporary and may not significantly impact core body temperature.

In high doses, marijuana can potentially induce both hypothermic and hyperthermic effects. Hypothermia refers to a decrease in body temperature, while hyperthermia refers to an elevation in body temperature. These effects may be more pronounced in extreme doses or in combination with other substances.

THC has been shown to suppress REM (rapid eye movement) sleep, the stage of sleep associated with vivid dreaming. For individuals experiencing nightmares or post-traumatic stress disorder (PTSD), where nightmares can disrupt sleep, the dream-suppressing effects of THC may provide relief and improve overall sleep quality.

Also, the impact of marijuana on body temperature can vary among individuals and depend on various factors, including the strain, dose, route of administration, and the presence of other substances. Additionally, environmental factors and individual physiology may also contribute to variations in the body's response to marijuana and its potential effects on body temperature.

Body Temperature Changes in Controlled Studies

Several studies have investigated the effects of marijuana on body temperature in controlled laboratory settings. Some of these studies have found slight increases in body temperature after marijuana use, while others have shown no significant changes.

These findings suggest that any alterations in body temperature are likely to be modest and may not be clinically relevant in most cases.

Hyperthermia and Heatstroke Concerns

There have been isolated reports of marijuana use contributing to hyperthermia, a condition characterized by an abnormal increase in body temperature. In extreme cases, this can lead to heatstroke, a medical emergency. These instances are rare and often involve high doses or simultaneous use of other substances.

Considerations for Marijuana Users

For the average marijuana user, moderate use is unlikely to cause significant changes in body temperature. It is essential to use marijuana responsibly and avoid excessive consumption, particularly in high-temperature environments.

Individuals with pre-existing medical conditions, especially those that affect thermoregulation, should exercise caution when using marijuana. Conditions such as heat-sensitive multiple sclerosis or cardiovascular issues may warrant additional vigilance to avoid potential adverse effects.

Individual tolerance to marijuana can vary, and some individuals may be more sensitive to its effects, including changes in body temperature. Understanding one's response to marijuana and adjusting dosage accordingly can help mitigate potential risks.


While marijuana's impact on body temperature has been a subject of scientific interest, most research indicates that any changes are likely to be modest and not of significant concern for the average user.

Vasodilation may create a temporary sensation of warmth, and extreme doses could potentially induce hypothermic or hyperthermic effects, but such scenarios are relatively rare. As with any substance, responsible use and awareness of individual factors are essential when consuming marijuana. Users should be mindful of their personal tolerance, medical conditions, and environmental conditions to ensure a safe and enjoyable experience.

As the cannabis landscape evolves, further research may shed more light on marijuana's effects on body temperature, providing a more comprehensive understanding of its impact on thermoregulation.

Get Your Medical Marijuana Card in Missouri Today!

Although marijuana is now legal recreationally in Missouri, you should still get your medical card. If you have any questions, just give us a call!

There are so many benefits to having your medical marijuana card in a recreational state, including being responsible for less in taxes, saving at dispensaries, and higher possession laws.

If you don’t already have your medical marijuana card, we can help! Our doctors are standing by to take you through a quick and easy evaluation to see if you qualify. During your evaluation, they will be happy to answer all your questions about how cannabis may be able to help with your anxiety or any other medical conditions.

(877) 303-3117 to talk to a patient support representative.


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At Missouri Marijuana Card, our mission is to help everyone achieve wellness safely and conveniently through increased access to medical marijuana. Our focus on education, inclusion, and acceptance will reduce the stigma for our patients by providing equal access to timely information and compassionate care.

Call us at (877) 303-3117, or simply book a medical marijuana evaluation to start getting the relief you can trust today!

Check out Missouri Marijuana Card’s Blog to keep up to date on the latest medical marijuana news, tips, and information.

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