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The Many Benefits of Coca — The “Divine Leaf” with 8,000+ Years of Use
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Key Moments
Coca leaf, used for 8,000 years, is not cocaine; it offers medicinal, nutritional, and cultural benefits. Its demonization stemmed from cultural prejudice, not science, and its prohibition has fueled the drug trade.
Key Insights
Coca leaf contains 14 alkaloids, with cocaine being only one; the synergistic effect of all alkaloids is responsible for its beneficial properties, not just cocaine.
Indigenous populations have used coca for 8,000 years without evidence of toxicity or addiction, contrasting sharply with the widespread abuse of isolated cocaine.
A 1975 nutritional study revealed coca leaf is rich in vitamins, proteins, and calcium, and contains enzymes that may aid carbohydrate digestion at high altitudes.
The prohibition of coca began in the 1920s, 60 years before the cocaine problem, driven by a desire to eradicate indigenous culture rather than concerns about pharmacology.
Coca leaf tea offers a mild stimulant effect, less potent than coffee, but without the subsequent crash, suggesting potential for improved focus and well-being.
International drug policy, including the UN's 1961 Convention on Narcotic Drugs, is based on language from pseudoscientific and racist studies from the 1940s, continuing to unjustly schedule coca leaf alongside fentanyl and heroin.
Coca leaf: A plant misunderstood and demonized
The discussion begins by highlighting the profound misunderstanding of coca leaf, often conflated with its isolated alkaloid, cocaine. Wade Davis likens the distinction to that between potatoes and vodka, emphasizing that coca is to cocaine what potatoes are to vodka. This misunderstanding has led to an eight-billion-dollar war on drugs that has failed to differentiate between the two, even after decades of effort. Dr. Andrew Weil recounts his first encounter with coca in 1965 while on a botanical expedition, where he was advised to chew coca leaves. He has used it ever since, initially to understand its medicinal uses by indigenous peoples. He points out that coca is as crucial to Andean cultures as peppermint and chamomile are to European medicine, serving as their primary medicinal plant.
Medicinal and metabolic benefits beyond cocaine
Coca leaf is traditionally used for a variety of ailments. Dr. Weil explains its importance in treating gastrointestinal disorders, providing energy for physical labor, aiding with altitude sickness, boosting mood, and improving metabolism. He notes that Andean populations, who often subsist on high-starch diets and have a genetic predisposition to type 2 diabetes, do not develop the condition when on traditional diets and chewing coca. However, when they move to lower altitudes, stop chewing coca, and adopt Western diets, high rates of type 2 diabetes emerge. This suggests a normalizing effect on blood sugar and metabolism that warrants further research. Crucially, these benefits are not attributed to cocaine alone. Coca contains 14 alkaloids, and while cocaine is one, the effects of the other 13, and their synergistic interactions, remain largely unstudied. The amount of cocaine in coca leaves is too small to be extracted profitably on a small scale. The holistic effect of the complex of compounds is responsible for both mental and physical health benefits.
Paradoxical effects and the whole-plant advantage
Dr. Weil elaborates on the paradoxical effects of coca on the digestive system. Indigenous users report that it treats both diarrhea and constipation, which seems contradictory from a Western pharmacological perspective, as cocaine is a gut stimulant that would worsen diarrhea. He hypothesizes that this paradox might be explained by the other alkaloids in coca, some of which, with similar molecular structures to atropine and scopolamine (gut paralytics found in nightshade plants), could have a regulating effect. This illustrates the difference between a whole plant as a medicine and an isolated compound. Dr. Weil suggests that the body, presented with this mix of molecules, can select which receptors to bind to, allowing it to self-regulate. For instance, if the gut is overactive, it might preferentially utilize the alkaloids that slow it down. This ability for the body to 'choose' its action is a fascinating aspect of whole-plant medicine.
Historical use, nutritional value, and the roots of prohibition
Wade Davis emphasizes coca's long history, with indigenous use spanning 8,000 years across Andean and Amazonian cultures, marked by an absence of toxicity or addiction. His first encounter with coca was through Tim Plowman and later Dr. Weil. He highlights the astonishing lack of research on coca until a 1975 nutritional study by Tim Plowman and Jim Duke. This study revealed that beyond its mild alkaloid content, coca is rich in vitamins, proteins, and calcium, and contains enzymes that facilitate carbohydrate digestion at high altitudes. Davis questions why such a study wasn't conducted earlier, suggesting it was because 'they didn’t want to know.' The effort to eradicate coca fields began 60 years before the cocaine problem, driven by elites in Lima who saw coca as a symbol of indigenous culture and a convenient scapegoat for social issues like poverty and poor nutrition, thus avoiding deeper economic and land reform discussions.
Cultural subjugation and racist foundations of policy
Davis describes Peru as a nation with two distinct societies: the Europeanized elite in Lima and the indigenous population at high altitudes who rely on coca. He argues that coca chewing became a symbol of indigenous identity that the elite sought to suppress or assimilate. These eradication efforts were based on pseudoscience and racist ideologies. He points to a 1940s UN commission, led by pharmaceutical executive Howard Fonda, which concluded the plant must be eradicated before even arriving in Peru and without interviewing a single traditional user. This commission's language was deeply racist, reflecting a colonial dynamic where coca symbolized everything indigenous and, therefore, shameful to the elite. This prejudiced rhetoric established the foundation for international drug policy. Even today, coca leaf is scheduled alongside fentanyl and heroin under the UN system.
The subjective experience and practical applications
The subjective experience of using coca is described as a mild stimulant, far less potent than coffee, with no subsequent crash. Dr. Weil notes coca leaf tea is not the most efficient method; the traditional way involves holding leaves in the mouth with an alkali to promote absorption. He suggests potential for lozenges or chewing gum to replicate this effect. He describes a 'stimulant that's not a stimulant,' where users don't feel drugged but experience enhanced focus, concentration, and the ability to remain on task creatively for long periods without harsh effects. This includes mood elevation, appetite suppression, and increased physical energy, making it useful for weight management and general well-being. The comparison is made to pharmaceuticals like Adderall or Ritalin, noting coca's 8,000 years of human use and lack of severe withdrawal symptoms.
Rehabilitating coca: Decoupling benefits from illicit production
The challenge of legalizing coca while preventing illicit cocaine production is addressed. Davis argues that the legal status of coca has no bearing on cartels, who profit from cocaine regardless. The critical issue is providing a legal, legitimate market for coca to support the estimated 250,000 families in Colombia who depend on its cultivation. Legalization would allow for tax revenue to fund peace initiatives. He critiques crop substitution programs, noting that coca paste is easily transportable, making it a more viable crop than others in challenging terrain. Millions of acres of existing cut-over land could be used for cultivation, preventing further deforestation. Education about coca's true nature is proposed as a key step, potentially leading to public demand and acceptance, even among those who have experienced negative effects from cocaine.
Scientific research and potential pharmaceutical applications
Dr. Weil emphasizes the need for FDA-approved uses of coca, supported by research, for conditions like GI disorders and substance abuse. He also sees potential for treating ADHD with a safer stimulant and in managing metabolic issues, particularly in preventing or treating type 2 diabetes. Current research efforts are underway, such as those by Dr. Chris McCertie at the University of Florida, who is studying whole coca to understand the effects of its various alkaloids. While navigating bureaucratic hurdles like obtaining legal leaves for research is challenging, NIDA (National Institute on Drug Abuse) is open to funding such studies, indicating a potential shift in policy. Early funding for psilocybin studies, around $50,000, demonstrated significant impact in mental health research, suggesting that targeted funding for coca research could yield substantial results.
Cultural significance and the spiritual connection
The deep cultural and spiritual significance of coca is explored. In Andean cultures, coca is considered a sacred 'master plant,' domesticated three separate times in human history—an extremely rare feat. It is central to rituals, offerings, and daily life, symbolizing a connection to the land and the cosmic balance. Denying people coca is akin to cultural genocide, as it disconnects them from their identity and worldview. The act of chewing coca is an expression of being alive, essential to maintaining cultural continuity. The anthropologist Katherine Allen states that denying coca is not like denying Germans beer or the British tea; it's an act of cultural genocide. While indigenous people have the right to use coca, soaring prices due to the illicit market threaten these traditions, highlighting the need for a legal outlet for the plant and its benefits for all peoples.
The 'wedge' for change: Actionable steps and future potential
To rehabilitate coca, a multi-pronged approach is necessary. This includes creating consumer demand, obtaining FDA approval for medicinal uses, and funding research. Dr. Weil suggests obvious therapeutic potentials for GI disorders, substance abuse, ADHD, and metabolic indications like diabetes prevention. He advocates for public awareness as the initial step, challenging the misconception that coca is solely the source of cocaine. He also mentions a recent UN effort, supported by Bolivian and Colombian governments, to deschedule coca, which sadly failed to change the status quo, with the rationale for its continued scheduling being that cocaine can be extracted from it. Recent movements towards legalizing cannabis and psychedelics in the U.S. offer a parallel momentum that could be leveraged for coca discussions. For entrepreneurs, the potential market is vast, akin to coffee but with superior natural stimulant qualities. The historical use of coca also presents challenges for intellectual property claims, suggesting the plant itself 'wants to be known.'
Coca-Cola's historical use and the 'green cocaine' incident
The conversation touches on Coca-Cola's historical use of coca leaf extract as a secret flavoring ingredient, sourced from a legal cocaine-manufacturing company in Maywood, New Jersey. This company legally exports coca leaves from Peru, and the extracted cocaine is used for pharmaceutical purposes, while the remaining leaves form the extract for the beverage. Even the 1961 UN Convention on Narcotic Drugs included a specific exclusion for coca cultivation solely for Coca-Cola. This highlights the long-standing commercial interest in coca, distinct from its illicit derivatives. An anecdote about a bust at Philadelphia International Airport involved 'green cocaine' which was, in fact, Mambe (a form of coca), demonstrating the continued confusion between the plant and cocaine, even as tobacco, a legal killer, was ignored.
The path forward: Research, advocacy, and storytelling
Tim Ferriss proposes creating a resource page at tim.blog/coca to consolidate information, links, and calls to action. Dr. Weil directs listeners to his website, drweil.com, and the Andrew Weil Center for Integrative Medicine (awcim.org). Wade Davis promotes his website, daviswade.com, and his book 'One River,' which explores the history of coca, his relationship with Dr. Weil, and their mentor, Richard Evans Schulties. He emphasizes that liberating coca is the final act of his professional life, driven by a deep fidelity to the plant and what it represents for cultural rights and indigenous peoples. He shares a powerful anecdote about a Peruvian football player almost being banned for cocaine use, only for it to be revealed he had consumed copious amounts of coca tea at a hotel where it was freely available for altitude sickness, underscoring the critical distinction between the plant and the drug. Both guests express gratitude for the forum and reiterate that the demonization of coca was not an accident but a deliberate effort rooted in cultural control and power, not pharmacology or social good.
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Common Questions
Coca is a plant used for over 8,000 years, particularly in the Andes region. It's referred to as the 'divine leaf' due to its profound cultural, spiritual, and medicinal significance to indigenous peoples, who view it as a sacred plant with numerous benefits.
Topics
Mentioned in this video
Mentioned as a comparison point to illustrate the absurdity of customs agents not differentiating between cocoa and cocaine, similar to Elliot Ness busting potatoes under the Volstead Act.
A friend and colleague of the speakers, credited with conducting early nutritional studies on coca and identifying its varieties. He is remembered as a significant authority on coca.
Collaborated with Tim Plowman on a nutritional study of coca published in 1975, which revealed its rich vitamin and protein content.
Led a UN commission in the late 1940s to study the 'Coca Problem,' who announced conclusions before arriving in Peru and interviewed no traditional users, ultimately recommending eradication.
A medicinal pharmacologist at the University of Florida and a board member of the Beneficial Plant Research Association, who is conducting research on coca, including animal studies and examining its potential for regulating carbohydrate metabolism.
A co-host and anthropologist contributing significantly to the discussion on coca, sharing his extensive fieldwork, cultural insights, and advocacy for the plant.
Mentioned as a potential ally in the US for advancing understanding of coca, as he has a deep appreciation for Colombia and the distinction between coca and cocaine.
A prominent speaker in the video, a physician, and ethnobotanist advocating for the wider acceptance and understanding of coca. He founded the Andrew Weil Center for Integrative Medicine.
An anthropologist whose quote is cited stating that denying people coca in the Andes is akin to cultural genocide.
A key figure who wrote the language of coca demonization in UN declarations, described as a chief of the addiction-producing drugs section of the World Health Organization.
The institution where Dick Schulties was the director, who sent a speaker to South America to collect medicinal plants.
Mentioned in the context of historical commissions and current drug policy conventions, specifically the 1961 UN Declaration on Narcotic Drugs, which is criticized for its racist and demonizing language towards coca.
A non-profit foundation started by Andy Weil in the 1970s to research lesser-known medicinal plants, with a primary focus on coca. It has since been revived.
Mentioned as a potential source of federal funding for research on substances like coca, with a speaker having previously discussed NIDA's work on psychedelics.
Founded by Andy Weil, this center trains physicians and health professionals in integrative medicine, including botanical medicine.
A key country in the discussion, where coca is widely used and has deep cultural and medicinal significance. The speakers discuss its role in traditional Andean culture and the historical efforts to demonize the plant there.
Mentioned as a country where coca is grown by numerous families for survival, highlighting the economic reliance on the plant and the potential for legitimate commercialization.
The capital of Peru, mentioned as a historical center where physicians observed social pathologies and, in order to avoid addressing economic and land reform issues, scapegoated coca.
The site of a bust in 2020 involving 'green cocaine' (Mambé) and tobacco paste, used to illustrate the confusion regarding coca and its derivatives among customs agents.
The country where the speakers are discussing the potential for a legal market for coca, and where current drug policies and research funding are relevant.
The mountain range where coca has been used for millennia, central to the culture, spirituality, and medicinal practices of indigenous populations.
One of the primary traditional medicinal uses of coca leaves, cited as being highly effective for various digestive issues, including both diarrhea and constipation, which highlights the paradoxical nature of its effects.
The Quechua term for Mother Earth, to whom coca is offered in indigenous Andean rituals as a way of sharing energy and maintaining connection to the land.
Mentioned alongside heroin as drugs that coca leaf is currently scheduled with under UN international drug policy, highlighting the perceived severity and injustice of its classification.
A medication used to help with altitude acclimatization. The speaker notes that coca leaf tea was more effective and faster-acting for their altitude sickness symptoms.
Mentioned as a pharmaceutical stimulant that the speaker has tried, contrasting its effects and dependency potential with coca, which has historical use and no apparent significant withdrawal.
Mentioned as a pharmaceutical stimulant that the speaker has tried, contrasting its effects and dependency potential with coca, which has historical use and no apparent significant withdrawal.
A serotonin reuptake inhibitor that the speaker's daughters have used. This is mentioned to contrast with the speaker's direct experience and productive life facilitated by coca, implying a preference for natural alternatives over some pharmaceuticals.
A serotonin reuptake inhibitor that the speaker's daughters have used. This is mentioned to contrast with the speaker's direct experience and productive life facilitated by coca, implying a preference for natural alternatives over some pharmaceuticals.
Mentioned as another potent plant medicine used analogously to coca in the Andes, playing a central role in cultural and spiritual practices.
Mentioned alongside fentanyl as drugs that coca leaf is currently scheduled with under UN international drug policy, highlighting the perceived severity and injustice of its classification.
A green powdered tea that Andrew Weil has experience with in terms of market introduction, serving as a parallel to the potential for introducing coca.
A substance that Christopher McCertie has extensively researched with federal support, indicating his expertise in plant-based pharmacology.
Mentioned as a business associated with one of the potential entrepreneurs, Andrew, suggesting a background in marketing healthy products.
The familiar company that legally manufactures cocaine from coca leaves for pharmaceutical use and uses a secret coca extract as a flavoring ingredient. They previously operated a coca plantation in Hawaii.
A chemical company in Maywood, New Jersey, that legally imports coca leaves from Peru to extract cocaine for pharmaceutical use and produce a flavoring extract for Coca-Cola.
A publication where a piece was featured about the legal manufacturing of cocaine for Coca-Cola in Maywood, New Jersey.
A publication where one of the speakers wrote a piece titled 'The Secret History of Coca,' which extensively details the demonizing language used against the plant.
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