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data/en.wikipedia.org/wiki/Chemophobia-0.md
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Chemophobia (or chemphobia or chemonoia) is an aversion to or prejudice against chemicals or chemistry. The phenomenon has been ascribed both to a reasonable concern over the potential adverse effects of synthetic chemicals, and to an irrational fear of these substances because of misconceptions about their potential for harm, particularly the possibility of certain exposures to some synthetic chemicals elevating an individual's risk of cancer. Consumer products with labels such as "natural" and "chemical free" (the latter being impossible if taken literally, since all consumer products consist of chemical substances) appeal to chemophobic sentiments by offering consumers what appears to be a safer alternative (see appeal to nature).
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== Definition and uses ==
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There are differing opinions on the proper usage of the word chemophobia. The International Union of Pure and Applied Chemistry (IUPAC) defines chemophobia as an "irrational fear of chemicals". According to the American Council on Science and Health, chemophobia is a fear of synthetic substances arising from "scare stories" and exaggerated claims about their dangers prevalent in the media.
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Despite containing the suffix -phobia, the majority of written work focusing on addressing chemophobia describes it as a non-clinical aversion or prejudice, and not as a phobia in the standard medical definition. Chemophobia is generally addressed by chemical education and public outreach despite the fact that much of chemophobia is economic or political in nature.
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Michelle Francl has written: "We are a chemophobic culture. Chemical has become a synonym for something artificial, adulterated, hazardous, or toxic." She characterizes chemophobia as "more like color blindness than a true phobia" because chemophobics are "blind" to most of the chemicals that they encounter; every substance in the universe is a chemical. Francl proposes that such misconceptions are not innocuous, as demonstrated in one case by local statutes opposing the fluoridation of public water despite documented cases of tooth loss and nutritional deficit. In terms of risk perception, naturally occurring chemicals feel safer than synthetic ones to most people because of the involvement of humans. Consequently, people fear man-made or "unnatural" chemicals, while accepting natural chemicals that are known to be dangerous or poisonous.
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The Carcinogenic Potency Project, which is a part of the US EPA's Distributed Structure-Searchable Toxicity (DSSTox) Database Network, has been systemically testing the carcinogenicity of chemicals, both natural and synthetic, and building a publicly available database of the results since the 1980s. Their work attempts to fill in the gaps in our scientific knowledge of the carcinogenicity of all chemicals, both natural and synthetic, as the scientists conducting the Project described in the journal, Science, in 1992: Toxicological examination of synthetic chemicals, without similar examination of chemicals that occur naturally, has resulted in an imbalance in both the data on and the perception of chemical carcinogens. Three points that we have discussed indicate that comparisons should be made with natural as well as synthetic chemicals.
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1) The vast proportion of chemicals that humans are exposed to occur naturally. Nevertheless, the public tends to view chemicals as only synthetic and to think of synthetic chemicals as toxic despite the fact that every natural chemical is also toxic at some dose. The daily average exposure of Americans to burnt material in the diet is ~2000 mg, and exposure to natural pesticides (the chemicals that plants produce to defend themselves) is ~1500 mg. In comparison, the total daily exposure to all synthetic pesticide residues combined is ~0.09 mg. Thus, we estimate that 99.99% of the pesticides humans ingest are natural. Despite this enormously greater exposure to natural chemicals, 79% (378 out of 479) of the chemicals tested for carcinogenicity in both rats and mice are synthetic (that is, do not occur naturally).
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2) It has often been wrongly assumed that humans have evolved defenses against the natural chemicals in our diet but not against the synthetic chemicals. However, defenses that animals have evolved are mostly general rather than specific for particular chemicals; moreover, defenses are generally inducible and therefore protect well from low doses of both synthetic and natural chemicals.
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3) Because the toxicology of natural and synthetic chemicals is similar, one expects (and finds) a similar positivity rate for carcinogenicity among synthetic and natural chemicals. The positivity rate among chemicals tested in rats and mice is ~50%. Therefore, because humans are exposed to so many more natural than synthetic chemicals (by weight and by number), humans are exposed to an enormous background of rodent carcinogens, as defined by high-dose tests on rodents. We have shown that even though only a tiny proportion of natural pesticides in plant foods have been tested, the 29 that are rodent carcinogens among the 57 tested, occur in more than 50 common plant foods. It is probable that almost every fruit and vegetable in the supermarket contains natural pesticides that are rodent carcinogens.
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title: "Chemophobia"
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== Causes and effects ==
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According to chemistry professor Pierre Laszlo, chemists have experienced chemophobia from the population at large, and asserts that it is rooted both in irrational notions and in genuine concerns (such as those over chemical warfare and industrial disasters). Gordon Gribble has written that the start of chemophobia could arguably be attributed to Silent Spring (1962), and that subsequent events such as the contamination of Times Beach (1983) and the Bhopal disaster (1984) only exacerbated the situation.
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These events have led to association between the word "chemical" and notions of things that unnatural or artificial and also dangerous, and the opposite has occurred, where goods are marketed as "chemical free" or "natural", to avoid this association, which in turn reinforces the misconception that "chemicals" are unnatural and dangerous. The chemical industry has moved to make chemicals used as flavoring or aromas using biotechnology instead of synthetic chemistry, as the products can be marketed as "natural".
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According to the industry advocacy group American Council on Science and Health, chemophobia is a growing phenomenon among the American public and has reached "epidemic" proportions among the general public. In a book published by the Council, Jon Entine writes that this is in part due to the propensity of people to show alarm at the reported presence of chemicals in their body, or in the environment, even when the chemicals are present in "minuscule amounts" which are in fact safe. Elsewhere, Entine has argued that chemophobia is linked to a precautionary principle in agricultural policy, which could jeopardize the world's ability to feed its ever-expanding population.
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In the United Kingdom, Sense about Science produced a leaflet aimed at educating celebrities about science, in which it said that humans carry only small amounts of "chemical baggage" and that it is only because of advances in analytical chemistry that we can detect these traces at all.
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Philip Abelson argued that the practice of administering huge doses of substances to animals in laboratory experiments, when testing for carcinogenic potential, led to public chemophobia, raising unjustified fears over those substances' effect on humans. He saw an opportunity cost in the "phantom hazards" such testing conjures, as it distracted from attention on known hazards posed to human health.
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Michael Siegrist and Angela Bearth conducted a survey on eight European countries – Austria, France, Germany, Italy, Poland, Sweden, Switzerland and United Kingdom – with a sample of 5,631 participants to measure chemophobia. Results found that 30% of participants were "scared" of chemical substances. Additionally, 40% of participants believed that they "avoid chemical substances in [their] daily lives" and 39% of participants wanted to live in a world that was "chemical free".
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== See also ==
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Appeal to nature
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Hazardous chemicals
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Persistent organic pollutants
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Organic food
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Natural food
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Dihydrogen monoxide parody
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Genetically modified food controversies
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Multiple chemical sensitivity
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List of phobias
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Non-medical use of the suffix -phobia
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Vaccine hesitancy
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Water fluoridation
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Let Them Eat Precaution
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== References ==
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== Further reading ==
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Blum, Deborah (22 January 2012). "Chemical-free nonsense". Los Angeles Times.
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Breslow, Robert (1993). "Let's Put An End to 'Chemophobia'". The Scientist. 7 (7): 12.
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Baggett, George (1993). "Causes Of 'Chemophobia' (Letter in reply to Breslow)". The Scientist. 7 (15): 12.
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Goldberg, Alexander F. G.; Chemjobber, C. J. (2014). "A comprehensive overview of chemical-free consumer products". Nature Chemistry. 6 (1): 1–2. Bibcode:2014NatCh...6....1F. doi:10.1038/nchem.1827. PMID 24345928. S2CID 205292395. Archived from the original on 2016-03-31. Retrieved 2016-04-04.
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Kennedy, James. (2016) Are 'Natural' And 'Chemical-free' Always Best For Your Baby? HuffPost.
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Kennedy, James. "'Chemophobia' is irrational, harmful – and hard to break". Aeon. (contains listing of the "ingredients" of a banana)
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Marks, T.A. (1993). "Birth defects, cancer, chemicals, and public hysteria". Regulatory Toxicology and Pharmacology. 17 (2): 136–44. doi:10.1006/rtph.1993.1013. PMID 8484023.
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Michaelis, Anthony R. (1996). "Stop – chemophobia". Interdisciplinary Science Reviews. 21 (2): 130–139. Bibcode:1996ISRv...21..130M. doi:10.1179/isr.1996.21.2.130.
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Ropeik, David (2015). "On the roots of, and solutions to, the persistent battle between "chemonoia" and rationalist denialism of the subjective nature of human cognition". Human & Experimental Toxicology. 34 (12): 1272–1278. Bibcode:2015HETox..34.1272R. doi:10.1177/0960327115603592. PMID 26614815.
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Worman, James J.; Gribble, Gordon W. (1992). "Herbicides and chemophobia". Journal of Arboriculture. 18 (1): 10–14.
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data/en.wikipedia.org/wiki/Siarhei_Besarab-0.md
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Siarhei Besarab (Belarusian pronunciation: [ˈsʲargej bʲesɐˈrab] ) is a Belarusian chemist, civil activist, and science communicator known for his contributions to popularizing science in the fields of radioactivity, nuclear safety, and environmental protection. A specialist in surface science, he formerly worked as a researcher at the National Academy of Sciences of Belarus.
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Following the 2020 Belarusian protests, Besarab was dismissed from his academic position. He subsequently became a prominent critic of the safety protocols at the Astravets Nuclear Power Plant and published analyses regarding the deployment of Russian tactical nuclear weapons in Belarus. In June 2023, citing political persecution and facing charges from the Belarusian KGB, he left the country for the European Union
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== Early life and education ==
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Siarhei Besarab was born in 1984 in the city of Novogrudok in the Grodno Region of western Belarus. He graduated with honors from Secondary School No. 3 in Novogrudok, where he won several awards at regional and national chemistry olympiads during his school years. In recognition of his academic performance in chemistry, Besarab received a local student distinction which included the ceremonial wearing of the academic gown belonging to Boris Kit, a rocket scientist originally from the region.
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Besarab received his Bachelor of Science from the Department of Radiation Chemistry and Pharmaceutical Technologies, Faculty of Chemistry, Belarusian State University, where he conducted research on radiation-induced free radicals under the supervision of Professor Oleg Shadyro, a leading specialist in the study of radiation effects.
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He earned his master's degree in chemistry at the University of National Academy of Sciences of Belarus (NASB). His master's research was supervised by Alexander Tretyak, a Belarusian specialist in glass chemistry and functional glass materials. Following his master's studies, Besarab conducted doctoral research in surface science under the guidance of academician Vladimir Komarov at the Institute of General and Inorganic Chemistry at NASB. Komarov is recognized as a leading Belarusian chemist and founder of the national school of adsorption science.
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During his secondary school and university years, Besarab developed an interest in meteoritics and meteorite hunting. He worked as an analytical chemist in a team involved in commercial meteorite search expeditions, where he was responsible for identifying recovered materials.
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== Career ==
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=== Scientific research ===
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Since 2010, Besarab has worked as a research scientist in the Laboratory of Adsorbents and Adsorption Processes at the Institute of General and Inorganic Chemistry at NASB, and focusing on inorganic porous materials, effective adsorbents, and new catalysts. Holder of 12 patents, his research ranked among the top 100 in Belarusian fundamental and applied sciences from 2011 to 2015 and earned him two prizes in the Republican Scientific Research Competition (2009, 2011). In 2016, he won the Belarusian segment of the Skolkovo Startup Tour for a mercury fume purification device and contributed to developing polymer hydrogels and additive technologies in cardiac surgery as a scientific advisor at the Republican Scientific and Practical Center of Pediatric Surgery. Additionally, he organized Belarus's first scientific hackathon, SciHackathon, in 2017.
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=== Science communication ===
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Siarhei Besarab has made contributions to science communication as a journalist and educator. Since 2019, he has managed LAB-66, the largest Belarusian science popularization channel on Telegram, with over 19,000 readers, focusing on chemistry, civil safety, and radiological protection. The blog's analytical articles have been widely reprinted in Belarusian and Ukrainian media, and its content has supported investigative journalism, such as that by the OSINT project Belarusian Hajun.
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As a futurologist, Besarab has published articles and forecasts on artificial intelligence, focusing in particular on the ethical, social, and security risks of advanced AI systems. He is also a research collaborator at the Global Catastrophic Risk Institute (GCRI), where he contributes expert insights on global risks and future challenges.
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He has also produced forecasts on the development of emerging technologies, including synthetic biology and energy innovation, publishing his analyses in Belarusian independent media such as Belsat and TUT.by. In March 2026, Besarab debuted as a television presenter, launching his own weekly science and futurology segment on the independent television channel Belsat TV. The segment, broadcast as part of the morning show Ranitsa z Belsatam (Morning with Belsat), focuses on the critical analysis of emerging technologies, bioethics, and techno-social forecasting.
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Besarab is also active as a climate science communicator, regularly publishing analytical articles on the impact of climate change in Belarus and Eastern Europe. He is recognized for raising public awareness about climate-related risks, infrastructure vulnerabilities, and adaptation strategies in the region. In 2025, he received the Green Award Prize for producing some of the best environmental content in the country, including his analysis of climate anomalies in Belarus and articles focusing on local adaptation strategies.
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Besarab also champions alternative food sources, such as insect protein, further advancing science literacy.
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== Public activities and civil activism ==
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In 2020, he issued a scientific rebuttal to accusations against civil activist Stsiapan Latypau, debunking claims of a plot to poison law enforcement with agricultural chemicals. He also contributed to an appeal by Belarusian scientists condemning state violence following the contested presidential election, actions that led to his dismissal from the Institute of General and Inorganic Chemistry and a professional ban. His inclusion in the list of repressed Belarusian scientists prompted the scientific community to publish The Scientists’ Open Letter Against Repressions, signed by over 800 academics.
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In response to ongoing repression, Besarab co-founded the Belarusian Scientific Solidarity Fund to support persecuted scholars. He further opposed the Russian invasion of Ukraine by publishing an open letter on behalf of the Belarusian scientific community, despite backlash from the NASB. As part of the Until All Are Free campaign, he became an advocate for political prisoner Artsiom Bayarski, a chemistry student targeted for his involvement in post-election protests.
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As a public defender of academic freedom Besarab has consistently highlighted issues in Belarusian science, such as censorship, lack of academic freedom, and opaque funding practices. His data-driven initiatives include mapping the repression of Belarusian citizens and scientists, producing analyses like the "map of Belarusian extremism" and profiles of repressed academics. Through his activism, Besarab remains a vocal proponent of transparency and reform in science policy and education.
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In October 2025, Besarab published an analysis disputing allegations that weather balloons drifting into Lithuania were used for smuggling. He argued that such methods were not economically viable and characterized the objects as educational tools.
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In early 2026, Besarab published a report analyzing the arrest of Belarusian amateur radio operators on treason charges. He argued that the equipment cited by authorities was technically incapable of the alleged espionage. This analysis attracted international attention to the crackdown, with coverage by technology outlets such as 404 Media and Boing Boing, which highlighted the suppression of technical hobbyist communities in Belarus. The report was also circulated by international radio organizations, including the French Union of Radio Amateurs (UFRC). According to Besarab, the crackdown threatens national emergency response capabilities, as radio hobbyists often provide critical communication support during natural disasters.
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Besarab is an active advocate for the preservation of national digital heritage and cultural archives. In April 2026, he acted as a key catalyst for one of the most prominent ethical debates regarding hacktivism in Belarusian society. Following a disruptive cyberattack on the electronic catalog of the National Library of Belarus by the hacker collective Cyber Partisans, Besarab publicly condemned the incident. He emphasized that risking the destruction of historical digital catalogs and archives disproportionately harms future generations of scholars rather than affecting the ruling political regime, categorizing such acts as digitally irresponsible. Besarab's vocal opposition, supported by other figures within the Belarusian cultural intelligentsia, triggered a widespread debate in the opposition media concerning the problem of "collateral damage" applied to civil infrastructure. The debate's impact was substantial enough to force radical media commentators who had initially dismissed the academic community's concerns to issue public apologies to the researchers.
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In April 2026, Besarab was an invited speaker at TEDxUlicaMinska, an independently organized TEDx conference held in Warsaw by the Belarusian diaspora. In his talk on radiation safety, he addressed the psychological and societal impacts of radiophobia, arguing that an objective understanding of radiation physics and basic scientific literacy are the most effective tools to combat irrational fear of modern technological risks.
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== Political persecution ==
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Besarab gained prominence among Russian and Belarusian speaking readers for his critical analyses of radiation safety. His reputation as a technical expert became particularly notable after the launch of the Astravets Nuclear Power Plant, where he emerged as one of the leading public critics of the station's radiation safety systems.
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In spring 2023, amidst heightened geopolitical tensions, Belarusian President Alexander Lukashenko announced plans to bring Russian tactical nuclear weapons into Belarus. Besarab responded by publishing detailed descriptions of potential storage sites for these weapons on his blog and engaging with independent media to discuss the associated risks. This activity placed him in direct conflict with Belarusian authorities, who subsequently labeled all content from his science blog as extremist material (see Classification of extremist materials in Belarus for details).
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Facing mounting pressure, Besarab became the target of criminal charges for allegedly causing harm to the state. The Belarusian KGB threatened him with imprisonment, prompting his decision to flee the country and seek political asylum within the European Union to ensure his safety.
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== Footnotes ==
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== References ==
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== External links ==
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In-depth interview with Siarhei Besarab about his scientific work, political views, and dismissal from the Academy of Sciences – interview with Mikita Melkazioraŭ on the "жыццё-малiна" YouTube channel, 16 September 2023 (in Belarusian)
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In-depth interview on the state of Belarusian science, criticism of the Astravets NPP, and the achievements of Belarusian scientists – interview with Aleksandr Ivulin on the "ЧестнОК-LIVE" YouTube channel, 18 October 2025 (in Belarusian)
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"Лоботомія нації: чому інтелект став головним ворогом білоруського режиму" [Lobotomy of a nation. Why intellect became the enemy of the state in Belarus]. argumentua.com (in Ukrainian).{{cite web}}: CS1 maint: deprecated archival service (link)
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Loading…
Reference in New Issue
Block a user