7 The History of Psilocybin Mushrooms

Cooper Nicholson

Introduction to Magic Mushrooms

Psilocybe (sai·low·sibe) mushrooms, also known as “magic mushrooms” or “shrooms,” are hallucinogenic drugs that contain the drug psilocybin.

This image shows several psilocybin mushrooms growing in the environment. These mushrooms are common in Central America, Mexico, and the United States. “Psilocybin Mushrooms” by Scott Darbey is licensed under CC BY-SA 3.0 .

They became popular in the United States during the 1960s when American researchers first studied their healing properties and medical applications. Now, they are listed as a Schedule I controlled substance by the U.S. government, meaning they have no accepted medical use (Houghton, 2021). Despite research that suggests magic mushrooms may be able to treat certain health conditions, many people still believe myths tracing back to the War on Drugs era. This chapter will discuss the history and applications of magic mushrooms.

Chemistry of Magic Mushrooms

The effects of magic mushrooms begin around 30 minutes after they are consumed (Jo et al., 2014). The psilocybin in magic mushrooms activates serotonin receptors in the brain, impacting a person’s mood, perception, and ability to think clearly (Sellers & Davis, 2021). Many factors determine what type of experience someone has after consuming magic mushrooms. The amount a person consumes, their life experiences, and their expectations all play a role in psilocybin effects. This is due to the relationship that psilocybin has with brain receptors.  Users should be aware that the strength of psilocybin is almost ten times higher when the mushrooms have been dried.  Because the effect of magic mushrooms varies from person to person, it is possible to experience anything from spiritual awakening to frightening hallucinations. For people with mental health disorders, magic mushrooms may increase their risk for a bad experience (Sellers & Davis, 2021). Some people who take magic mushrooms may experience fear, confusion, and psychosis. Symptoms often wear off within 6-8 hours after the body processes the psilocybin. Due to the chemical nature of psilocybin, magic mushrooms are not believed to be addictive (Sellers & Davis, 2021). Regular use of magic mushrooms can cause a person to become tolerant of its effects. Many uses for psilocybin have yet to be discovered. However, magic mushrooms have a complicated history with the U.S. that traces back to the early 1960s.

America’s Introduction to Magic Mushrooms

Timothy Leary and Richard Alpert can be credited for introducing magic mushrooms to popular culture in the United States. Leary, a Psychology Professor at Harvard, became interested in magic mushrooms after reading a Life magazine article about R. Gordon Wasson’s experience with them during a trip to Southern Mexico. Wasson was a banker who participated in a magic mushroom ceremony that positively affected his state of consciousness (Houghton, 2021). Leary began testing the effects of psilocybin by consuming them himself and with others in his labs. During the Concord Prison Experiment, Leary gave inmates psilocybin to determine if hallucinogenic drugs could prevent them from becoming repeat offenders once released. The results from the study found that magic mushrooms decreased the likelihood of a prisoner returning to jail, but questionable research tactics discredited Leary’s work. Despite this, his studies found that psilocybin could positively affect mental health (Houghton, 2021). This led to Leary’s role as an advocate for the benefits of magic mushrooms on the mind and body.

This image shows Timothy Leary, a Harvard professor that became widely known for his promotion of psilocybin mushrooms. Leary coined the phrase, “turn on, tune in, and drop out,” to encourage the use of the hallucinogenic drug. “Timothy Leary” by Brian Crawford is licensed under CC BY-SA 2.0

Political Implications

Once word of Leary’s study reached the general public, magic mushrooms gained nationwide attention from musicians and celebrities. The likes of Bob Dylan and John Lennon visited Mexico in search of the psychedelic drug. In 1965, the “hippie movement” popularized the power of magic mushrooms. This movement, partly led by Leary, was advised to “turn on, tune in, and drop out” during a gathering of nearly 30,000 people in San Francisco. This newly adopted lifestyle threatened the traditional understanding of society in America. To counter this, President Richard Nixon began the War on Drugs, a program designed to counteract the effects of the hippie movement and decrease the rates of drug use and overdoses in the country (MAPS, 2016). Nixon followed up this campaign by declaring Leary the “most dangerous man in America” due to his widespread endorsement of hallucinogenic drugs (Houghton, 2021). The War on Drugs led to the classification of psilocybin mushrooms as a Schedule I substance, thus ending all research on the drug. The campaign targeted magic mushrooms by claiming they were highly addictive and destructive to the brain. However, researchers have long since disproven these claims. By making magic mushrooms illegal, Nixon created the belief that psychedelics were dangerous, and he halted any research on these types of drugs until 1992 (MAPS, 2016).

Modern Day Use

Today, the use of magic mushrooms is becoming prevalent again. In 2022, Colorado joined Oregon as the only states to legalize the use of psilocybin mushrooms (Brown, 2022). In the late 20th century, institutions such as Johns Hopkins have begun research on the medical applications of psilocybin. In the year 2000, Rolland Griffiths and Johns Hopkins researchers were the first to receive approval from the United States to continue research on psilocybin mushrooms (Ercolano, 2022). Studies are now evaluating the use of psilocybin as a treatment option to help patients diagnosed with substance abuse, anxiety, depression, and other mental health conditions. As the U.S. begins to tackle the stigma surrounding magic mushrooms, more research can be performed on the regenerative properties of magic mushrooms.

Conclusion

Magic mushrooms have had a complex relationship with the United States, and their users continue to experience judgment from older generations. However, with groundbreaking research on the possible benefits of psilocybin, magic mushrooms may continue to become legalized across the country. Medical prescription of psilocybin may not be in the foreseeable future, but the prospect of psychedelics as a treatment option for patients who have a mental illness is exciting, nonetheless.

 

Review Questions

1. Who was the Harvard professor that helped introduce magic mushrooms to popular culture in the United States?

a. Richard Alpert

b. R. Gordon Wasson

c. Timothy Leary

d. Rolland Griffiths

2. When ingested, psilocybin mushrooms activate _____ receptors in the brain, impacting a person’s mood, perception, and ability to think clearly.

a. Dopamine

b. Serotonin

c. Acetylcholine

d. Norepinephrine

3. Psilocybin mushrooms have NOT been tested as a treatment option for which of the following illnesses?

a. Substance Abuse

b. Alzheimer’s Disease

c. Depression

d. Anxiety

References

Brown, J. (2022, November 10). Colorado becomes second state to legalize “Magic mushrooms”. The Colorado Sun. https://coloradosun.com/2022/11/09/proposition-122colorado-results-psilocybin-mushrooms-2/

Ercolano, A. (2023). Psychedelics Research and Psilocybin Therapy. Johns Hopkins Center for Psychedelic and Consciousness Research. https://www.hopkinsmedicine.org/psychiatry/research/psychedelics-research.html

Houghton, S. (2021). From medicine to poison: The magic mushroom in 1960s America. The Collector. https://www.thecollector.com/magic-mushrooms-1960s-america/

Jo, W. S., Hossain, M. A., & Park, S. C. (2014). Toxicological profiles of poisonous, edible, and medicinal mushrooms. Mycobiology, 42(3), 215–220.
https://doi.org/10.5941/MYCO.2014.42.3.215

Johns Hopkins Medicine. (2023). Roland R. Griffiths, Ph.d. https://www.hopkinsmedicine.org/profiles/details/roland-griffiths

Multidisciplinary Association for Psychedelic Studies. (2016). Medical Daily: The war on drugs may have misrepresented psychedelics; here’s why that matters – multidisciplinary association for psychedelic studies. https://maps.org/news/media/medical-daily-the-war-on-drugs-may-have-misrepresented-psychedelics-here-s-why-that-matters/

Sellers, A., & Davis, K. (2021). Psilocybin and magic mushrooms. Medical News Today.
https://www.medicalnewstoday.com/articles/308850

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The Diversity of Drugs: History, Effects, and Everything in Between Copyright © by Anna Lipke; Sydney Taggart; Sullivan Bishop; Sydney Herchenbach; Samuel Hurley; Margaret Crisologo; Lauren Sizemore; Katie Massie; Katie Lucas; Grayson Ellis; Elizabeth Tomkovich; Eliza Martin; Dylan DePersia; Delaney Morley; Jackson Van Vlake; Cooper Nicholson; Caroline Mueckler; Cameron Cox; Brooke Breedlove; Brandon Shealy; Allyson Woolbert; and Bella Huston is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License, except where otherwise noted.

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