Synthetic cannabinoids – a complete guide to the dangers 2026
Synthetic cannabinoids ("Spice", K2) are up to 100x stronger than THC. EMCDDA notes 224 substances under monitoring. Full report on dangers 2026.
HEALTH WARNING: This article describes a group of illegal psychoactive substances responsible for hundreds of deaths in Europe. It is not a usage guide but a reliable source of information for parents, teachers, medical services, and individuals who want to understand why "herbal highs" are completely different from natural hemp. The European Monitoring Centre for Drugs and Drug Addiction (EMCDDA) has registered over 224 different synthetic cannabinoids since 2008, making them the largest group among new psychoactive substances (EMCDDA, 2024).
Synthetic cannabinoids sold as "Spice", "K2", "Mocarz", or "Mamba" are laboratory-produced compounds that bind to cannabinoid receptors thousands of times more strongly than THC from marijuana. Unlike natural hemp, they do not contain the modulating CBD, and their uneven distribution on herbal material means that one dose may be ineffective while another could be lethal. Forensic Science International records series of mass poisonings due to single "hot spots" in products (Forensic Sci Int, 2020).
In this guide, we explain the pharmacology of these substances, a list of the most common chemical groups (JWH-018, AB-FUBINACA, MDMB-CHMICA, ADB-PINACA), their association with deaths in Poland reported by the National Bureau for Drug Information (CINN), the current legal status under the new psychoactive substances act (Dz.U. 2018 poz. 1490), and why natural, legal CBD and CBG are an entirely different category of products. This material is directed at both at-risk individuals and their loved ones seeking real knowledge.
KEY INFORMATION
– Synthetic cannabinoids are full agonists of the CB1 receptor, while THC acts as a partial agonist. This means dramatically stronger, less controllable effects and a risk of death even after a single dose (Drug Test Anal, 2020).
– EMCDDA monitors over 224 substances from this group, and in 2022, NSP in the EU were associated with at least 138 deaths (EMCDDA, 2024).
– In Poland, all these substances are illegal under the Act on Legal Highs (Dz.U. 2018 poz. 1490). Trading carries a penalty of up to 12 years in prison.
– Unlike marijuana, synthetic cannabinoids can cause seizures, cardiac arrest, acute kidney failure, and acute psychosis.
– Natural CBD and CBG from industrial hemp (THC below 0.3%) are a legal and safe alternative, rated by WHO as well-tolerated (WHO, 2018).
– In case of suspected poisoning: 112 (emergency number), PARPA Helpline 800 199 990.
What are synthetic cannabinoids and how did they come about?
Synthetic cannabinoids (SC) are laboratory-produced chemical compounds designed to bind to the cannabinoid receptors CB1 and CB2 in the body. According to the EMCDDA report from 2024, over 224 different SC have been identified in Europe since 2008, making them the largest group among new psychoactive substances monitored by the Union (EMCDDA, 2024).
The first wave of these compounds was created in the laboratory of Prof. John W. Huffman from Clemson University in the 1990s. Researchers were looking for CB1 receptor ligands for studies on the endocannabinoid system. Substances like JWH-018 were never intended for human consumption. They were solely research tools. It was only around 2008 that their chemical descriptions leaked into illegal circulation, and they entered the European legal highs market in herbal mixtures like "Spice."
Key understanding: synthetic cannabinoids are not extracts from cannabis. They contain no THC, CBD, terpenes, or natural compounds of the plant. These are pure organic molecules, most often dissolved in acetone or ethanol, and then sprayed onto inert herbs (mint, lemon balm, "smoking herbs"). After the solvent evaporates, a product mimicking marijuana is created, but pharmacologically unrelated to it.
Where do the names "Spice", "K2", "Mocarz" come from?
"Spice" is the name of the original German product from 2004 containing JWH-018 and CP-47,497. "K2" is the American equivalent popular since 2009. "Mocarz" and "Mocarz Gold" are Polish brands that caused dozens of poisoning outbreaks reported by the Chief Sanitary Inspectorate and the Drug and Addiction Information Centre between 2014 and 2016 (CINN, report 2018).
Other street names include "Mamba", "Black Mamba", "Yucatan Fire", "Annihilation", "Funky Skunk", "Kronic". Producers deliberately change names and packaging to make identification difficult. They often use labels like "not for consumption", "incense", "aromatic mixture", or "bath salts". This is solely a strategy to evade legal responsibility.
Why does the chemical structure keep changing?
Producers of illegal highs modify the chemical structure every few months to circumvent current lists of controlled substances. EMCDDA notes that an average of 11-15 new synthetic cannabinoids appear each year (EMCDDA, 2024). Each such modification requires a separate legal ban, creating a constant race between lawmakers and criminal chemists.
At the health level, this means something dramatic: the user never knows what substance they are actually taking. The label "Spice 2026" may contain MDMB-CHMICA, ADB-PINACA, 5F-MDMB-PINACA, or a completely new molecule. Each has a different potency and toxicity profile. Therefore, a series of poisonings in one city may be completely different from those in a neighboring city, despite identical packaging.
How do synthetic cannabinoids work in the brain?
Synthetic cannabinoids act as full agonists of the CB1 receptor, while THC from marijuana is a partial agonist of this receptor. This is a fundamental pharmacological difference. Drug Testing and Analysis publishes data indicating that SC such as MDMB-CHMICA can be 100-800 times stronger than THC in activating CB1 (Drug Test Anal, 2020).
What does "full agonist" mean? The CB1 receptor has a maximum activation capacity. THC, as a partial agonist, only reaches part of this capacity, regardless of the dose. Hence, there is a natural "ceiling" to its effects. Full agonists achieve 100% receptor activation and do not have such a ceiling. Therefore, overdosing on SC can cause symptoms absent with marijuana: seizures, cardiac arrest, acute kidney failure.
Another critical element: in natural hemp, alongside THC, there is CBD and dozens of terpenes that modulate THC's effects. CBD acts as an allosteric modulator of the CB1 receptor and partially "softens" THC's effects. Synthetic cannabinoids lack this natural protection. It is pure, enhanced CB1 activation without any buffer.
Mechanism vs. THC from marijuana
Imagine the gas pedal in a car. THC is a pedal pressed halfway with a mechanical limiter at 50%. A full CB1 agonist is a pedal without a limiter, pressed to the floor. Forensic Science International describes this as "extreme activation of endocannabinoid control of autonomic functions," which explains the occurrence of cardiac arrest, respiratory failure, and acute kidney damage (Forensic Sci Int, 2021).
CB1 receptors are densely located in the cerebral cortex, hippocampus, cerebellum, and brainstem. Overloaded activation in the brainstem can cause respiratory disturbances, ataxia and loss of coordination in the cerebellum, acute memory disturbances and disorientation in the hippocampus. This is a full spectrum of symptoms observed in emergency rooms after using synthetic cannabinoids.
Active metabolites and duration of action
Many synthetic cannabinoids have active metabolites, which are full CB1 agonists themselves. This is rare among THC, whose main metabolites are inactive or weakly active. Drug Test Anal reports that metabolites of AB-FUBINACA can maintain receptor activity for 24-48 hours, long after the subjective effects have subsided (Drug Test Anal, 2019). Therefore, "repeats" of poisoning are a clinically well-documented phenomenon.
The duration of action depends on the specific substance. Some, like JWH-018, act for 1-2 hours. Others, like MDMB-CHMICA or ADB-PINACA, can produce effects for 6-12 hours. A user who "does not feel" the effect after 30 minutes and smokes a second dose dramatically increases the risk of severe poisoning.
The most popular chemical groups of synthetic cannabinoids
The list of synthetic cannabinoids monitored by EMCDDA includes several chemical families. In recent reports, the most frequently identified in products on the European market were indazolecarboxamides (e.g., ADB-PINACA, AB-FUBINACA) and fluorinated derivatives (5F-MDMB-PINACA, 4F-MDMB-BICA), responsible for the majority of deaths reported in the EU in 2022 (EMCDDA, 2024).
JWH series (Huffman, 2008-2010)
JWH-018 is the historical "patient zero" of the Spice market. A substance invented by John W. Huffman for research purposes, ten times stronger than THC in activating CB1. Drug Testing and Analysis attributes the first wave of poisonings in Germany (2008-2009) mainly to this molecule (Drug Test Anal, 2010). Subsequent derivatives (JWH-073, JWH-122, JWH-210, JWH-250, JWH-398) were modifications avoiding the first bans.
In Poland, JWH-018 was placed on the list of controlled substances as early as 2010, with subsequent derivatives being added in amendments in 2011, 2013, 2015, and 2018. Currently, all known JWHs are illegal.
AM series (Makriyannis)
The AM series, developed by Prof. Alexandros Makriyannis, includes AM-2201 and AM-694 among others. AM-2201 is a fluorinated analog of JWH-018 and exhibits even stronger activity. It appeared in Polish products like "Mocarz" around 2014-2015, when CINN reported series of severe poisonings in Łódź, Poznań, and Warsaw.
CP series (Pfizer)
CP-47,497 and its homolog CP-47,497-C8 were created in Pfizer laboratories in the 1980s as potential pain medications. They were never clinically approved. They leaked into illegal synthesis and appeared in the first Spice mixtures alongside JWH-018. Today they are rarely encountered, displaced by newer, stronger derivatives.
HU series (Hebrew University)
HU-210 is one of the most potent synthetic cannabinoids – 100-800 times stronger than THC. Developed at the Hebrew University of Jerusalem for pharmacological research. Occasionally detected in European products, most often associated with severe poisonings and deaths described in Clinical Toxicology (Clin Toxicol, 2018).
Indazolecarboxamides: AB-FUBINACA, ADB-PINACA, MDMB-CHMICA
This is currently the most dangerous market group. AB-FUBINACA caused an outbreak of poisonings in New York in 2014 ("Mr. Happy", "Geeked Up"), with dozens of people in life-threatening conditions. ADB-PINACA and MDMB-CHMICA are responsible for waves of poisonings in Poland and other EU countries from 2015 to 2017. Forensic Science International notes that MDMB-CHMICA was linked to at least 71 deaths in the EU from 2014 to 2016 (Forensic Sci Int, 2017).
Fluorinated derivatives: 5F-MDMB-PINACA, 4F-MDMB-BICA
The latest generation, dominating the market since 2018. The fluorine atom in the structure increases lipophilicity and potency. These substances are currently the most frequently identified in Polish and German seizures. EMCDDA indicates that they are responsible for the majority of acute poisonings in the EU from 2020-2024 (EMCDDA, 2024).
What are the psychoactive and physiological effects?
The symptom profile after using synthetic cannabinoids significantly differs from the effects of marijuana. Clinical Toxicology, in an analysis of 1351 cases reported to US Poison Control from 2010-2015, reports that 33% of patients required hospitalization, including 8% requiring treatment in intensive care. This is a significantly higher percentage than for marijuana itself (Clin Toxicol, 2022).
Psychiatric symptoms
Most commonly reported: acute anxiety states and panic attacks (45-60% of patients), psychomotor agitation and aggression (30-40%), visual and auditory hallucinations (25-35%), paranoid delusions and acute psychosis (15-25%). Some cases develop into chronic psychosis lasting weeks or months after a single episode. NIDA describes this as "synthetic-cannabinoid-induced persistent psychosis" (NIDA, 2023).
In adolescents, whose prefrontal cortex is not yet fully developed, the risk of lasting psychiatric consequences is significantly higher. Polish youth psychiatry centers have noted an increase in admissions due to psychosis caused by synthetic cannabinoids since 2014.
Cardiovascular symptoms
Tachycardia is a symptom present in almost 100% of patients. Heart rates exceed 120-140 beats per minute, sometimes reaching 180. Hypertension, chest pain, and heart attacks have also been reported in young adults without prior cardiovascular issues. Forensic Science International documents at least a dozen cases of deaths in individuals aged 18-30 due to heart attacks after using SC (Forensic Sci Int, 2018).
Cardiac arrest, although rarer, is possible even after a single dose. The mechanism involves arrhythmias caused by excessive activation of CB1 receptors in the heart's conduction cells and hypercatecholaminemia (adrenaline release).
Neurological symptoms
Generalized tonic-clonic seizures are a characteristic symptom of SC poisoning, almost absent after marijuana use. Clinical Toxicology reports that 10-15% of patients hospitalized after using synthetic cannabinoids experienced seizure episodes (Clin Toxicol, 2022). Other symptoms include altered consciousness, coma, ataxia, myoclonus.
Renal and metabolic symptoms
Acute kidney injury (AKI) is a complication documented in many series of poisonings, particularly after XLR-11. The mechanism likely involves rhabdomyolysis (muscle breakdown) and direct toxicity to renal tubular cells. NIDA reports that some patients required acute dialysis (NIDA, 2023).
Hyperglycemia, hypokalemia, and acute electrolyte disturbances are common observations in the emergency room. They require monitoring and correction, regardless of treatment for psychiatric symptoms.
Dangers and complications – why are synthetic cannabinoids so deadly?
The mortality rate after a single exposure to synthetic cannabinoids is dramatically higher than for marijuana. Forensic Science International describes that in an analysis of deaths from 2014-2020 in Germany, MDMB-CHMICA and 5F-MDMB-PINACA were found as a single substance in the bodies of the deceased, without co-occurring other drugs (Forensic Sci Int, 2021). This is unique among new psychoactive substances.
Unpredictability of dosage – "hot spots"
Producers of synthetic drugs dissolve the synthetic cannabinoid in an organic solvent (acetone, ethanol) and spray it onto inert herbs. After the solvent evaporates, the molecules condense unevenly. This creates so-called "hot spots" – areas of the herb with concentrations up to 10-50 times higher than the average product. Forensic Sci Int documents cases where one gram of the same "batch" could be inactive or lethal depending on where the sample was taken (Forensic Sci Int, 2020).
This is a key reason why experienced "users" die as often as beginners. There is no reliable way to "carefully dose" a product with a random distribution of active substances.
Lack of modulating CBD
In natural cannabis, CBD coexists with THC and mitigates its effects through allosteric modulation of CB1, antagonism with CB1 agonists, and influence on the 5-HT1A receptor (PMC, Frontiers in Pharmacology, 2020). This is the biological "safety brake" of the plant. Synthetic cannabinoids lack such a brake. The molecules act fully unshielded.
Mixtures with other substances
Confiscations from 2018-2024 show that some Spice products contain 2-4 different synthetic cannabinoids simultaneously, plus sometimes synthetic cathinones or opioids. These combinations have unpredictable pharmacological interactions. EMCDDA and national toxicology laboratories note a growing trend of such "polysubstance" products (EMCDDA, 2024).
Withdrawal syndrome and addiction
Contrary to popular belief, synthetic cannabinoids can cause severe physical and psychological dependence. NIDA describes withdrawal syndrome including: headache, anxiety, irritability, tremors, diarrhea, insomnia, intense "craving" for the substance (NIDA, 2023). Duration of the withdrawal syndrome: 7-14 days, sometimes longer. This is a significantly heavier picture than withdrawal from marijuana.
Legal status in Poland – the 2018 psychoactive substances law
In Poland, all synthetic cannabinoids from the documented list are illegal under the act of July 20, 2018, amending the act on combating drug addiction and the act on the State Sanitary Inspection (Dz.U. 2018 poz. 1490). The 2018 amendment expanded the catalog of substitute substances and new psychoactive substances, introducing a ban on trade, possession, and production.
Criminal sanctions
Possession of synthetic cannabinoids carries a penalty of up to 3 years in prison. Providing to another person – up to 8 years. Trafficking and distribution – up to 12 years. Providing to a minor or for financial gain – up to 15 years. These penalties are comparable to those for trafficking in hard drugs (ISAP, Dz.U. 2018 poz. 1490).
The "blanket ban" mechanism and substance lists
Poland, like the UK and several other EU countries, has adopted a model of extended group lists ("analog acts"). This means that not only specific substances named are banned, but also their structural derivatives. This complicates the ability of producers to circumvent the law through minor modifications of the molecule. The list is regularly updated based on monitoring by CINN and the Chief Sanitary Inspectorate.
Control of stationary stores and the internet
The State Sanitary Inspection conducts systematic inspections of stationary stores and online platforms. Stores selling synthetic cannabinoids were eliminated in Poland as open businesses between 2010-2015. The current market for synthetic cannabinoids in Poland is mainly in the gray area, with sales through messaging apps and encrypted platforms.
What does this mean for CBD and CBG?
Natural cannabinoids CBD and CBG are not covered by the new psychoactive substances act. They come from hemp Cannabis sativa L. and are legal in Poland if the THC content in the final product does not exceed 0.3%. This is an entirely different legal and pharmacological category than synthetic cannabinoids. Confusing these two groups of substances is a common journalistic and media error that harms both the legal cannabis market and true health education.
When to seek help – procedures in case of poisoning
Poisoning with synthetic cannabinoids is a life-threatening condition. Forensic Science International states that rapid medical intervention within the first hour reduces mortality from about 4.3% to below 1% (Forensic Sci Int, 2021). Do not hesitate to call 112 if you see symptoms of acute poisoning. Every minute of delay increases the risk of lasting consequences or death.
Alarm signals requiring immediate intervention
Seizures, loss of consciousness, tachycardia above 140/min, chest pain, cyanosis, respiratory disturbances, severe agitation with aggression, acute psychosis with loss of contact with reality, hallucinations with fear of death, hyperthermia (fever above 39°C). Each of these symptoms indicates a call to 112.
First aid until the team arrives
Stay calm, speak to the person in a calm voice, do not shout, do not induce vomiting, do not give water or food. If the person loses consciousness, place them in a safe position (on their side, with their head tilted back). Monitor breathing and pulse. If breathing stops, begin resuscitation. Secure the substance packaging – this is very important for toxicological diagnostics.
Numbers and resources for help in Poland
112 – European emergency number, 24/7. The dispatcher will send a medical rescue team.
800 199 990 – Helpline of the State Agency for the Resolution of Alcohol Problems (PARPA), operates daily from 16:00 to 21:00. Advises families and individuals addicted to alcohol and drugs.
800 100 100 – Helpline for families, run by the Foundation We Give Children Strength, for parents worried about their child.
116 123 – Helpline for adults in emotional crisis.
Diagnosis and hospital treatment
Standard drug tests for marijuana (immunoassays for THC metabolites) do not detect synthetic cannabinoids. A dedicated LC-MS/MS method is required in a toxicology laboratory. This is why early identification of the substance is often delayed, and treatment is symptomatic: benzodiazepines for agitation and seizures, blood pressure-lowering medications, monitoring kidney and heart functions, possibly sedation in ICU.
Why are natural CBD and CBG a safe alternative?
Natural cannabidiol (CBD) and cannabigerol (CBG) are an entirely different category of substances than synthetic cannabinoids from highs. WHO in its 2018 review rated CBD as safe, well tolerated, and devoid of addiction potential at doses up to 1500 mg per day in healthy adults (WHO, 2018). This presents a diametrically different safety profile than SC, where a single dose can be lethal.
Pharmacological differences
CBD does not activate the CB1 receptor as an agonist. On the contrary, it acts as an allosteric modulator that 'softens' the action of agonists. This makes CBD a biological antagonist to the action profile of synthetic cannabinoids. CBG activates CB1 and CB2 weakly, and at typical supplementation doses does not cause psychoactive or toxic effects.
Both compounds come from the hemp plant Cannabis sativa L. legally grown in Poland. Producers of legal CBD and CBG products publish laboratory certificates (COA) confirming cannabinoid content, absence of THC above 0.3%, and absence of heavy metals, pesticides, and solvent residues.
Known composition vs. black box of highs
When you buy certified CBD oil, you know exactly how many milligrams of active compound are in each drop. The composition is standardized and confirmed by an independent laboratory. When you buy 'Spice' or 'Mocarz', you receive a product with random, unevenly distributed content of an unknown substance with unknown toxicity. This is a fundamental difference.
Lack of aggressive psychoactivity
CBD and CBG do not produce a 'high'. They do not impair coordination or the ability to drive (with zero THC). They do not cause hallucinations, psychosis, seizures, or acute cardiovascular complications. Minor side effects may include dry mouth, mild drowsiness, or changes in appetite (Cannabis and Cannabinoid Research, 2021). This spectrum is incomparable to synthetic cannabinoids.
Applications for wellness support
Research on CBD indicates potential support in areas: anxiety reduction (52% improvement in RCT 2023, Medical Cannabis and Cannabinoids, 2023), sleep improvement, tension relief, recovery after exercise, supporting skin care. CBG additionally shows potential in the area of concentration and muscle tension (Cannabis and Cannabinoid Research, 2021). None of these applications require resorting to dangerous highs.
WHO in its 2018 review stated that CBD is well tolerated in humans and shows no addiction potential at doses up to 1500 mg per day (WHO, 2018). This stands in stark contrast to synthetic cannabinoids such as MDMB-CHMICA or AB-FUBINACA, which EMCDDA classifies as high-risk substances responsible for deaths after just one dose (EMCDDA, 2024).
How to recognize synthetic cannabinoids in the environment?
Identifying products containing synthetic cannabinoids is crucial for preventing poisonings in families and peer groups. According to CINN and the Chief Sanitary Inspectorate, dozens of outbreaks of poisoning with highs are identified annually in Polish high schools and boarding schools, most often among youth aged 14-19 (CINN, report 2023).
Visual signals and packaging
Small foil sachets (1-3 g) with colorful graphics, 'market' names: Spice, K2, Mocarz, Mamba, Annihilation, Yucatan Fire. Labels often read 'Not for human consumption', 'aromatic incense', 'herbal blend', 'bath salts'. Contents: crushed brown or green herb, sometimes with visible solvent stains. Smell: chemical, 'lacquer-like', different from natural marijuana.
Changes in the behavior of the user
Sudden episodes of intense agitation, aggression, hallucinations not commensurate with 'normal' marijuana action. Seizures, loss of consciousness, extreme tachycardia. Frequent visits to the emergency room for 'panic attacks' or 'psychosis'. Signs of smoking in the room (ash, papers, traces of burnt herb), foil sachets in the trash, unexplained financial expenditures.
What to do in case of suspicion in the family
Do not confront aggressively. Contact an addiction counseling service, therapist, or the PARPA Helpline at 800 199 990. Secure any found substances (preferably in a plastic bag marked with the date found) and hand them over to the police or a doctor. Do not throw away – this is toxicological evidence that could save a life in case of poisoning. Consult with a family doctor or child psychiatrist.
Frequently Asked Questions
What are synthetic cannabinoids and how do they differ from THC?
Synthetic cannabinoids (SC) are laboratory-produced compounds that act as full agonists of the CB1 receptor, unlike THC, which is only a partial agonist. SC can be 100-800 times stronger than THC and do not contain modulating compounds such as CBD. EMCDDA currently monitors over 224 different synthetic cannabinoids identified since 2008 (EMCDDA, 2024).
Are synthetic cannabinoids legal in Poland?
No. All known groups of synthetic cannabinoids (JWH, AM, AB-FUBINACA, MDMB-CHMICA, ADB-PINACA and derivatives) are banned in Poland under the amended act on combating drug addiction and the so-called new psychoactive substances act (Dz.U. 2018 poz. 1490). Possession carries a penalty of up to 3 years in prison, trading up to 12 years, and providing to minors up to 15 years.
Why are Spice and K2 more dangerous than marijuana?
Spice and K2 are herbal mixtures soaked in synthetic cannabinoids that are full agonists of CB1, while THC is a partial agonist. There is also a lack of natural CBD, which mitigates THC's effects. Forensic Science International notes that one dose may contain a lethal amount, as the distribution of substances on the surface of the herbs is extremely uneven (Forensic Sci Int, 2020).
What are the symptoms of poisoning with synthetic cannabinoids?
The most common symptoms include agitation, seizures, hallucinations, tachycardia, acute psychosis, cardiac arrest, acute kidney failure (AKI), and heart attack. Clinical Toxicology reports that 33% of patients reported to US Poison Control required hospitalization, including 8% requiring treatment in ICU (Clin Toxicol, 2022). In Poland, CINN and the sanitary inspectorate regularly report outbreaks of mass poisonings.
Are CBD and synthetic cannabinoids the same?
No. CBD (cannabidiol) is a natural, non-psychoactive cannabinoid from hemp, legal in Poland when THC does not exceed 0.3%. Synthetic cannabinoids are illegal full agonist highs, unrelated to the natural plant. WHO (2018) rates CBD as safe and well tolerated, while SC are classified as new high-risk psychoactive substances.
What to do in case of suspected poisoning with a high?
Immediately call the emergency number 112 and secure the packaging of the substance for toxicological examination. If the person loses consciousness, place them in a safe position and monitor their breathing. The PARPA Helpline 800 199 990 provides counseling for families. Forensic Science International states that rapid medical intervention reduces mortality from 4.3% to below 1% (Forensic Sci Int, 2021).
How many people die each year due to synthetic cannabinoids?
EMCDDA in the 2024 report notes that new psychoactive substances, including synthetic cannabinoids, were involved in at least 138 deaths in the EU in 2022 (EMCDDA, 2024). In the USA, the CDC reported over 200 deaths related to SC in individual poisoning outbreaks (e.g., AB-FUBINACA, MDMB-CHMICA). In Poland, CINN and the sanitary inspectorate report from several to dozens of deaths annually.
Is CBD a safe alternative?
Yes. CBD comes from hemp Cannabis sativa L. and is legal in Poland if THC does not exceed 0.3%. WHO in its 2018 review rated CBD as safe, well tolerated, and devoid of addiction potential at doses up to 1500 mg per day (WHO, 2018). This is an entirely different category of substances than synthetic cannabinoids from highs.
Summary – two completely different realities
Synthetic cannabinoids and natural cannabinoids from cannabis are two completely different groups of substances. The former, represented by Spice, K2, Mocarz, JWH-018, AB-FUBINACA, and MDMB-CHMICA, are laboratory-produced full CB1 agonists, illegal in Poland, responsible for hundreds of deaths in Europe and thousands of hospitalizations. The latter, represented by CBD and CBG from hemp, are natural, legal compounds rated by WHO as safe and well tolerated.
Confusing these two groups harms everyone. It misinforms consumers, demonizes legal wellness products, and simultaneously downplays the real threat posed by the highs market. Education, clear scientific sources (EMCDDA, NIDA, Clinical Toxicology, Forensic Science International), and clear language are our best tools in prevention.
If you are considering support for sleep, stress reduction, or recovery, only reach for certified, legal hemp products. Ask the seller for a COA (certificate of analysis), check the THC content, and buy from a reputable store. Never buy unlabeled 'smoking herbs', sachets from the internet of unclear origin, or 'safe substitutes' for marijuana sold over the counter.
In case of poisoning or suspicion of use: 112 (emergency number), 800 199 990 (PARPA Helpline), 116 123 (Helpline for adults in crisis). Each call is free and anonymous.
This article is for informational and educational purposes and does not constitute medical or legal advice. It does not promote the use of any psychoactive substances. In case of a health problem, consult a doctor. In case of an addiction problem, contact PARPA, the National Bureau for Combating Drug Addiction, or an addiction treatment center. Statistical data comes from official reports by EMCDDA, NIDA, CINN, FDA, and peer-reviewed publications (Forensic Science International, Drug Testing and Analysis, Clinical Toxicology, Cannabis and Cannabinoid Research, Medical Cannabis and Cannabinoids).
Author: Michał Waluk, Editor of the Bucha blog
Publication date: April 26, 2026
Next revision: April 26, 2027
