Cannabis has been used for thousands of years as both a medicinal and practical plant across many civilizations. Historical records from ancient China, Egypt, India, and Greece describe cannabis being used to treat pain, inflammation, digestive issues, and sleep disturbances. Early medical texts, including those attributed to Emperor Shen Nung in China around 2700 BCE, document cannabis as an herbal remedy, while Ayurvedic traditions in India incorporated cannabis preparations such as bhang for therapeutic and spiritual purposes. Throughout history, cannabis was valued for its versatility as a source of medicine, fiber, and nutrition.
 

In the 19th and early 20th centuries, cannabis extracts were commonly included in Western pharmacopeias and prescribed for conditions such as migraines, muscle spasms, and anxiety. However, regulatory changes in the 20th century restricted access and research, slowing medical exploration of the plant. In recent decades, renewed scientific interest has focused on cannabinoids such as THC and CBD and their interaction with the body’s endocannabinoid system, which plays a role in regulating pain, mood, appetite, and sleep.

Cannabis has become particularly relevant in discussions surrounding veteran health. Some military veterans have reported using cannabis as part of their personal health management strategies, especially in relation to chronic pain, sleep challenges, and symptoms associated with post-traumatic stress. Ongoing research continues to examine the potential therapeutic role of cannabis-based treatments for conditions that disproportionately affect veteran populations. While evidence is still developing, cannabis has become an important topic in conversations about expanding treatment options and improving quality of life for veterans.

Overall, the history of cannabis reflects a long-standing relationship between humans and a plant valued for both medicinal and functional purposes. Its evolving role in modern healthcare discussions highlights the importance of continued research, education, and responsible use.

Common Misconceptions About Cannabis

Cannabis is widely discussed in modern culture, yet many misconceptions persist due to historical stigma, inconsistent research availability, and evolving legal frameworks. One of the most common misconceptions is that cannabis is completely harmless. While cannabis may have therapeutic potential for certain individuals, research indicates that it can produce side effects such as impaired memory, reduced coordination, anxiety, and potential dependency, particularly when used frequently or in high doses (National Institute on Drug Abuse [NIDA], 2024). Understanding that cannabis carries both potential benefits and risks supports more informed decision-making.

Another frequent misconception is that cannabis is not addictive. Although cannabis is often perceived as non-habit-forming, studies show that some individuals can develop Cannabis Use Disorder, characterized by continued use despite negative consequences. The risk of dependency may increase with early and frequent use, especially among adolescents and young adults (Centers for Disease Control and Prevention [CDC], 2024).

A third misconception is that all cannabis products produce the same effects. In reality, cannabis contains multiple compounds, including tetrahydrocannabinol (THC) and cannabidiol (CBD), which affect the body differently. THC is primarily associated with psychoactive effects, while CBD is often studied for potential therapeutic properties without intoxication. Product potency, cannabinoid ratios, and method of consumption can significantly influence the user’s experience (U.S. Food and Drug Administration [FDA], 2023).

Many individuals also believe that cannabis immediately improves mental health conditions such as anxiety, depression, or post-traumatic stress disorder (PTSD). While some individuals report symptom relief, scientific evidence remains mixed, and cannabis may worsen symptoms for certain users, particularly when used without medical guidance (National Academies of Sciences, Engineering, and Medicine, 2017).

Another misconception is that edible cannabis products are safer because they do not involve smoking. Although edibles eliminate respiratory exposure, they may produce delayed and longer-lasting effects, increasing the risk of accidental overconsumption if individuals take additional doses before the initial effects occur (CDC, 2024).

Finally, some believe that cannabis has only recently been used medicinally. Historical evidence demonstrates that cannabis has been used in traditional medicine for centuries. However, modern scientific research is still developing, and not all claimed health benefits are supported by strong clinical evidence (World Health Organization [WHO], 2019).

Understanding these misconceptions promotes responsible use, encourages evidence-based discussion, and helps individuals make informed decisions about cannabis consumption.

References:

-Brand, E., & Zhao, Z. (2017). Cannabis in Chinese medicine: Are some traditional indications referenced in ancient literature related to cannabinoids? Frontiers in Pharmacology. https://pmc.ncbi.nlm.nih.gov/articles/PMC5345167/

-Centers for Disease Control and Prevention. (2024). Cannabis and public health. https://www.cdc.gov/cannabis

-Nàdarra Health. (2023). The history of medicinal cannabis: From ancient times to today. https://www.nadarrahealth.com/articles/history-medicinal-cannabis

-National Academies of Sciences, Engineering, and Medicine. (2017). The health effects of cannabis and cannabinoids: The current state of evidence and recommendations for research. https://www.nationalacademies.org

-National Institute on Drug Abuse. (2024). Marijuana research report. https://nida.nih.gov/research-topics/marijuana

-Pain, S. (2015). A potted history. Nature. https://www.nature.com/articles/525S10a

-ProCon.org. (2024). History of marijuana as medicine (2737 BCE–present). https://www.medicalmarijuanaprocon.org/history

-Rozenberg, O. (2019). The history of medical cannabis in ancient China. The Cannigma. https://cannigma.com/history/the-history-of-medical-cannabis-in-ancient-china/

-Sheehy, M. R., Storey, D. P., Rash, J. A., Tippin, G. K., Parihar, V., & Harris, N. (2025). Cannabis use characteristics and PTSD-related outcomes among Canadian veterans with chronic pain. Journal of Veterans Studies. https://journal-veterans-studies.org/articles/10.21061/jvs.v11i1.582

-Substance Market. (2014). Historical use of cannabis. https://www.substancemarket.com/historical-use-of-cannabis/

-U.S. Congress. (2023). Veterans Cannabis Analysis, Research, and Effectiveness (CARE) Act. https://en.wikipedia.org/wiki/Veterans_Cannabis_Analysis%2C_Research%2C_and_Effectiveness_Act

-U.S. Food and Drug Administration. (2023). FDA regulation of cannabis and cannabis-derived products. https://www.fda.gov

-World Health Organization. (2019). Cannabidiol (CBD) critical review report. https://www.who.int/publications