Chemophobia Explained

Chemophobia (or chemphobia or chemonoia)[1] [2] 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).

Definition and uses

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".[3] 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.[4]

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[5] [6] [7] [8] and public outreach[9] [10] despite the fact that much chemophobia is economic or political in nature.

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.[11] 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.[12] In terms of risk perception, naturally occurring chemicals feel safer than synthetic ones to most people because of the involvement of humans.[13] Consequently, people fear man-made or "unnatural" chemicals, while accepting natural chemicals that are known to be dangerous or poisonous.[14] [15]

The Carcinogenic Potency Project,[16] which is a part of the US EPA's Distributed Structure-Searchable Toxicity (DSSTox) Database Network,[17] has been systemically testing the carcinogenicity of chemicals, both natural and synthetic, and building a publicly available database of the results[18] 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:

Causes and effects

According to chemistry professor, 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).[19] Professor Gordon Gribble has written that the start of chemophobia could arguably be attributed to Silent Spring, and that subsequent events such as the contamination of Times Beach and the Bhopal disaster only exacerbated the situation.

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.[20] 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".[21]

According to the industry advocacy group American Council on Science and Health, chemophobia is a growing phenomenon among the American public[22] 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.[23] 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.[24]

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.[25]

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.[26]

Michael Siegrist and Angela Bearth conducted a survey on 8 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".[27]

See also

Further reading

Notes and References

  1. 10.1177/0960327115603592 . 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 . 2015 . Ropeik . D. . 26614815. free .
  2. News: Chemonoia: the fear blinding our minds to real dangers . . 25 February 2016.
  3. Web site: IUPAC glossary of terms used in toxicology (2nd edition). International Union of Pure and Applied Chemistry. October 20, 2016.
  4. Book: Entine, Jon. Scared to Death: How Chemophobia Threatens Public Health. 18 January 2011. American Council on Science and Health.
  5. Hartings. MR. Fahy. D. Communicating chemistry for public engagement.. Nature Chemistry. 23 August 2011. 3. 9. 674–677. 21860452. 10.1038/nchem.1094. 2011NatCh...3..674H.
  6. Smith. Robert B.. Karousos. Nikolaos G.. Cowham. Emma. Davis. James. Billington. Susan. Covert Approaches to Countering Adult Chemophobia. Journal of Chemical Education. March 2008. 85. 3. 379. 10.1021/ed085p379. 2008JChEd..85..379B.
  7. Smith. David K.. iTube, YouTube, WeTube: Social Media Videos in Chemistry Education and Outreach. Journal of Chemical Education. 14 October 2014. 91. 10. 1594–1599. 10.1021/ed400715s. 2014JChEd..91.1594S.
  8. Morais. Carla. Storytelling with Chemistry and Related Hands-On Activities: Informal Learning Experiences To Prevent "Chemophobia" and Promote Young Children's Scientific Literacy. Journal of Chemical Education. 13 January 2015. 92. 1. 58–65. 10.1021/ed5002416. 2015JChEd..92...58M.
  9. Shim. Soon-Mi. Seo. Sun Hee. Lee. Youngja. Moon. Gui-Im. Kim. Min-Shik. Park. Ju-Hee. Consumers' knowledge and safety perceptions of food additives: Evaluation on the effectiveness of transmitting information on preservatives. Food Control. July 2011. 22. 7. 1054–1060. 10.1016/j.foodcont.2011.01.001.
  10. Fielding. Kelly S.. Roiko. Anne H.. Providing information promotes greater public support for potable recycled water. Water Research. September 2014. 61. 86–96. 10.1016/j.watres.2014.05.002. 24893113. 2014WatRe..61...86F .
  11. News: Curing chemophobia: Don't buy the alternative medicine in 'The Boy With a Thorn in His Joints'. Michelle M.. Francl . 7 February 2013 . Slate. 27 March 2013.
  12. Michelle . Francl . How to Counteract Chemophobia . Nature Chemistry . 2013.
  13. Saleh . Rita . Bearth . Angela . Siegrist . Michael . 2019 . "Chemophobia" Today: Consumers' Knowledge and Perceptions of Chemicals . Risk Analysis . en . 39 . 12 . 2668–2682 . 10.1111/risa.13375 . 31290192 . 195871582 . 0272-4332.
  14. Book: Ropeik, David. How risky is it, really?: Why our fears don't always match the facts . 2010 . McGraw-Hill . New York . 978-0071629690 . 92–96.
  15. Gribble. Gordon. Food Chemistry and Chermophobia. Food Chemistry. 2013. 5. 2. 177–187. 10.1007/s12571-013-0251-2. 255607086 . 27 March 2015.
  16. http://cpdb.thomas-slone.org/ Carcinogenic Potency Project
  17. National Center for Computational Toxicology (NCCT) DSSTox Official Website
  18. Web site: Publicly available Toxnet database from US NLM . 2016-10-20 . https://web.archive.org/web/20130218135909/http://toxnet.nlm.nih.gov/html/cpdbfs.htm . 2013-02-18 . dead .
  19. International Journal for Philosophy of Chemistry. 2006. 12. 1. 99. Laszlo. Pierre. On the Self-Image of Chemists, 1950-2000.
  20. Book: Balzani. Vincenzo. Venturi. Margherita. Chemistry: Reading and Writing the Book of Nature. 2014. Royal Society of Chemistry. 9781782620020. 214.
  21. Book: Dioniosio. AP. Baines. David. Seal. Richard. Natural food additives, ingredients and flavourings. 2012. Woodhead Publishing. Oxford. 9780857095725. 232. https://books.google.com/books?id=pX5wAgAAQBAJ&pg=PA232. Chapter 11: Natural Flavorings from Biotechnology for Food and Beverages.
  22. Consumer Education Group Hosts Call to Discuss Evidence of Growing Chemophobia Among American Public. 17 January 2011. 12 October 2020.
  23. Entine (January 2011), p. 38.
  24. Book: Jon Entine. Crop Chemophobia: Will Precaution Kill the Green Revolution?. 21 August 2013. 16 April 2011. Government Institutes. 978-0-8447-4363-9. 72.
  25. Web site: Science for Celebrities. https://web.archive.org/web/20070829223251/http://www.senseaboutscience.org.uk/pdf/ScienceForCelebrities.pdf. August 29, 2007. Sense about Science.
  26. 10.1126/science.2402628. Testing for carcinogens with rodents. 1990. Abelson. P.. Science. 249. 4975. 1357. 2402628. 1990Sci...249.1357A. free.
  27. Web site: 2019-12-18 . Chemophobia: Nearly 40% of Europeans Want a Chemical-Free World . 2023-02-26 . American Council on Science and Health . en.

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