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GMOs/Nanofoods
Genetically-modified organisms (GMOs) are plants or animals created in laboratories by inserting genes from one species into the DNA sequence of another, thereby producing new life forms that never existed before with specific characteristics (such as, for agricultural purposes, increased water retention or the ability to grow faster on less feed). Nanotechnology is also increasingly being used to create new foods and food packaging by breaking matter down into microscopic nanoparticles that are just atoms wide and “programming” them to perform specific tasks. A range of nanotech applications for food have been used and proposed, from packaging (e.g., forming an air-tight vacuum seal) to taste (e.g., mimicking the flavor and texture of familiar foods). While these two technologies have been used in food production for decades, particularly in the US, neither has been proven safe—and both present dangers to the environment, workers and consumers.
If the FDA does approve GM animals for commercial production, they will not require companies to label these products any differently than “meat,” dairy and eggs already available to consumers.[19] In addition, the welfare of GM animals remains completely unregulated because the inadequately-enforced federal Animal Welfare Act does not apply to animals used in agriculture or agricultural research. Agriculturally-transgenic animals therefore routinely suffer from high rates of birth defects, disabilities and premature death as a result of having their DNA experimentally manipulated.[20]
Even though cloning animals (i.e., creating genetic replicas of individual animals) results in similar physical problems, in 2008 the FDA officially declared “meat,” dairy and eggs from animal clones safe for human consumption.[21] GMOs’ Environmental Impacts Some of the documented and potential environmental impacts of GMOs include: Gene flow – Pollen from GMOs can be carried through the air and mix with the DNA of other plants, resulting in hybrid species. This happened in North Dakota in 2010 when GM canola was discovered growing in the wild with an herbicide-resistant trait that did not previously exist either on the farm or in nature.[22] Invasive species – GM animals could also escape into the wild and potentially displace native fauna by out-competing them for habitat and resources (e.g., fish who are genetically engineered to grow faster or larger than they naturally would). GM animals could even potentially cross-breed with wild species, irrevocably mutating their genetic code and decimating their populations in the process.[23] Overuse of agricultural chemicals – GMOs require more agricultural chemicals (i.e., herbicides and insecticides) than conventionally-cultivated crops because many GM plants are deliberately designed to be highly resistant to these toxic compounds.[24] Some GMOs even produce their own pesticides.[25] These unprecedented innovations have led to the unintentional evolution of herbicide-resistant superweeds[26] and superpests[27] that can only be killed using greater amounts of toxic chemicals.[28] GMOs’ Impacts on Farm Workers The heavier reliance on agricultural chemicals associated with GM crops exposes farm workers to increased amounts of toxic compounds, jeopardizing their health. There have also been cases in which people working on and living near farms growing GMOs suffered allergies and sickness from touching and breathing in pollen from the crops.[29] Entire farming communities are also drastically impacted when large corporations start growing GM crops. In South America, for example, thousands of families that farmed the land for generations have been displaced to urban slums because they cannot compete with agribusiness conglomerates growing GM crops. Some who protested losing their livelihoods have even been killed by paramilitary squads.[30] GMOs’ Impacts on Consumers The health risks of consuming GMOs are still unknown, because comprehensive long-term studies have not been done, but experts cite allergic reactions as one of the gravest concerns. For instance, people with severe nut allergies have no way of knowing whether GM foods contain DNA from nuts. Novel gene combinations present in GMOs could also create allergic reactions that did not previously exist. Other concerns about GMO consumption include new types of gastrointestinal disorders (caused by imbalances in intestinal flora) and resistance to antibiotics.[31] Overview of Nanofoods
Nanoparticles are now used in hundreds of consumer products, from potato chip bags to baby food—even some fruits and vegetables are treated with nanocoating to lengthen their shelf life.[32] But even though nanoparticles have been used in food manufacturing for decades, no one really knows how prevalent they are because (just like GMOs) the FDA does not require companies to label nanofoods or even report their use in food products.[33] However, nearly 20 of the world’s largest food manufacturers maintain in-house nanofood labs (including Nestlé, Hershey, Cargill, Campbell’s, Sara Lee and Heinz), and some industry experts speculate that 40 percent of US food products will contain nanoparticles by 2015.[34]
Nano’s Environmental Impacts One of the ecological problems with nanotechnology is that certain types of matter that are stable on the macro scale can be volatile on the micro level. For example, antimicrobial properties of nanoparticles can disrupt signals between bacteria and plant hosts and transmit contaminants, which can endanger entire ecosystems.[35] Studies have shown that the nanosilver particles used in food packaging can interfere with organisms’ DNA replication.[36] Nanoparticles are so small that sewage treatment cannot filter them out when they are washed down drains, so they enter aquatic ecosystems where, research has found, they can kill and mutate fish embryos.[37] In 2008, government scientists with the National Research Council released a report charging that the FDA, Environmental Protection Agency (EPA) and other federal agencies responsible for regulating nanotechnology do not have an adequate plan to determine whether it endangers the environment and human health.[38] Notably, just as the early purveyors of GMOs claimed their technological advances would increase food output while reducing pollution, so do nanotech advocates insist that their methods will produce food and other products more efficiently and cleanly by conserving natural resources. However, critics point out that nanotechnology production requires excessive amounts of water, energy and toxic compounds.[39] Clearly, those who stand to make fortunes from GMOs and nanofoods have strong economic incentives to accentuate the positive aspects of their technologies while de-emphasizing the dangers. Nano’s Impacts on Workers Some nanoparticles used in food production are so small that they can be absorbed through the skin, posing potential health threats to workers who are regularly exposed to such materials. One study demonstrated that even very low concentrations of zinc oxide nanoparticles are toxic to human lung cells under controlled laboratory conditions.[40] People working with nanoparticles inhale these micro-poisons on a regular basis. Nano’s Impacts on Consumers Other studies have shown that nanoparticles can penetrate cell membranes and the blood-brain barrier when ingested, damaging DNA and causing cancer, as well as heart and brain disease.[41] Some nanoparticles used in food products, like nanosilver and silica, cannot be broken down by the body, and could potentially accumulate and cause illness.[42] Despite these dangers, the vast majority of nanoparticles used in food production have not been safety tested by the FDA or other government regulatory agencies.[43] How You Can Help Avoid eating GMOs by purchasing vegan organic foods. Also, to find food brands that don’t use GM ingredients, consult the Center for Food Safety’s “Non-GMO Shoppers’ Guide” (conveniently downloadable as a mobile SmartPhone application).* Unfortunately, government-regulated organic standards do not currently prohibit the use of nanoparticles, making it difficult to entirely exclude these microscopic materials from your diet. One resource that can help is the Consumer Products Inventory compiled by the Project on Emerging Nanotechnologies. This database lists “1,000+ manufacturer-identified nanotechnology-based consumer products currently on the market.”* The prevalence of GMOs and nanoparticles in food makes it all the more important to voice your concerns about these issues by urging your elected officials to pass legislation requiring mandatory labeling of all foods containing GMOs and nanoparticles so consumers can make fully-informed choices about what they purchase and eat. You can also encourage Congress to pass laws that make agribusiness corporations pay out when their production methods and products damage the environment or make workers and consumers sick. *Please note, although the Food Empowerment Project is linking to other organizations, we do not necessarily endorse the entire content of their website or mission. REFERENCES [1] “Genetically Modified Tomatoes.” Public Broadcasting System. http://www.pbs.org/wnet/dna/pop_genetic_gallery/index.html (02/02/11) [2] Gilbert, Natasha. “GM crop escapes into the American wild.” Nature. August, 6 2010. http://www.nature.com/news/2010/100806/full/news.2010.393.html (01/01/11) [3] “A Food Foresight Analysis of Agricultural Biotechnology: A Report to the Legislature.” California Department of Food and Agriculture. January 1, 2003. www.cdfa.ca.gov/files/pdf/ag_biotech_report_03.pdf (01/01/11) [4] “Genetic Engineering.” Sustainable Table. http://www.sustainabletable.org/issues/ge/ (01/01/11) [5] Thottam, Jyoti. “When Organic Isn't Really Organic.” March 14, 2007. Time. http://www.time.com/time/health/article/0,8599,1599110,00.html (01/01/11) [6] “Agricultural biotechnology: yield, competitiveness, jobs and environmental impact.” Input to Resolution 2006/2059 (INI). November 2006. www.foeeurope.org/GMOs/.../Ag_and_biotech_report_briefing_17_11_FINAL.doc (01/01/11) [7] Gurian-Sherman, Doug. “Failure to Yield: Evaluating the Performance of Genetically Engineered Crops.” Union of Concerned Scientists. 2009. http://www.ucsusa.org/assets/documents/food_and_agriculture/failure-to-yield.pdf (01/01/11) [8] “New measures to restrict GM crop contamination.” ABC.net. December 24, 2010. http://www.abc.net.au/news/stories/2010/12/24/3101366.htm (01/01/11) [9] Lilliston, Ben. “Farmers Fight to Save Organic Crops.” The Progressive. September 2001. http://www.progressive.org/0901/lil0901.html (01/01/11) [10] Gordon, Bennett. “Terminating the 'Terminator' Seed: Broken promises and sterile seeds could alter the lives of food producers.” Utne Reader. March 2, 2006. http://www.utne.com/2006-03-01/TerminatingtheTerminatorSeed.aspx (01/01/11) [11] "Is Monsanto Going to Develop or Sell 'Terminator' Seeds?" Monsanto Company. http://www.monsanto.com/newsviews/Pages/terminator-seeds.aspx (03/10/11) [12] Pechlaner, Gabriela. and Otero, Gerardo. "The Neoliberal Food Regime: Agricultural Biotechnology and the New Division of Labor in North America." Paper presented at the annual meeting of the Rural Sociological Society, August 02, 2007. (01/01/11) [13] Gurian-Sherman, Doug. “ No seeds, no independent research." Los Angeles Times. February 13, 2011 latimes.com/news/opinion/commentary/la-oe-guriansherman-seeds-20110213,0,2052370.story (03/10/11) [14] Skibola, Nicole. Will the EU stance on GMO food products change free trade politics?” Good.is. July 8, 2010. http://www.good.is/ [15] Guerrero, Jean. “Altered Corn Slowly Takes Root in Mexico.” The Wall Street Journal. December 9, 2010. http://online.wsj.com/article/SB10001424052748703493504576007583645210912.html# (01/01/11) [16] Ledford, Heidi. “FDA ready to regulate transgenic animals.” Nature. January 16, 2009. http://www.nature.com/news/2009/090116/full/news.2009.36.html Published online 16 January 2009 | Nature | doi:10.1038/news.2009.36 (01/06/11) [17] Schmidt, Sarah. “Genetically modified pork one step closer to dinner table.” The Montreal Gazette. February 19, 2010. http://www.montrealgazette.com/.../2587015/story.html (01/01/11) [18] Keim, Brandon. “Feds’ Transgenic-Salmon Review Ignores Big Picture.” Wired. November 18, 2010 http://www.wired.com/wiredscience/2010/11/genetically-modified-salmon/ (01/01/11) [19] “Consumer Q&A.” US Food & Drug Administration. Updated October 28, 2009. http://www.fda.gov/AnimalVeterinary/.../ucm113672.htm (01/01/11) [20] Montaldo, Hugo H. “Genetic engineering applications in animal breeding.” Electronic Journal of Biotechnology. Vol. 9 No. 2, Issue of April 15, 2006. http://www.ejbiotechnology.info/content/vol9/issue2/full/7/index.html (01/05/11) [21] “FDA OKs meat, milk from most cloned animals.” CNN.com. January 15, 2008. http://articles.cnn.com/2008-01-15/health/fda.cloning_1_meat-and-milk-clone-free-center-of-food-safety?_s=PM:HEALTH (01/01/11) [22] Gilbert, Natasha. “GM crop escapes into the American wild.” August 6, 2010. Nature. http://www.nature.com/news/2010/100806/full/news.2010.393.html (01/01/11) [23] “FDA Committee (VMAC) Split on Recommendations about Controversial Genetically Engineered Salmon.” Center for Food Safety. September 21, 2010. http://ge-fish.org/2010/09/21/fda-committee-vmac-split-on-recommendations-about-controversial-genetically-engineered-salmon/ (01/01/11) [24] “GM Crops Increase Pesticide Use.” Institute of Science in Society. November 12, 2003. http://www.i-sis.org.uk/GMCIPU.php (01/01/11) [25] Rastogi, Nina Shen “Seeds of Discontent: Should environmentalists just say no to GMOs?” Slate.com. May 18, 2010. http://www.slate.com/toolbar.aspx?action=print&id=2253787 (01/01/11) [26] “Invasion of the Superweeds.” The New York Times. May 6, 2010. http://roomfordebate.blogs.nytimes.com/2010/05/06/invasion-of-the-superweeds/ (01/05/11) [27] “Defeating The 'Superpests.'” ScienceDaily. October 7, 2005. http://www.sciencedaily.com/releases/2005/10/051007091946.htm (01/04/11) [28] Brown, Paul. “GM crops created superweed, say scientists.” The Guardian. July 25, 2005. http://www.guardian.co.uk/science/2005/jul/25/gm.food (01/01/11) [29] Lichtenstein, David. “Food fight: The safety of growing GMO crops.” The Molokai News. DATE UNKNOWN. http://themolokainews.com/food-fight/112-3rd-in-series/ (01/01/11) [30] “GM soy increases poverty, threatens health in South America - farmer advocates.” GM Watch. October 25, 2010. http://www.gmwatch.eu/index.php?option=com_content&view=article&id=12598:gm-soy-increases-poverty-threatens-health-in-south-america-farmer-advocates [31] Smithson, Shelley. “Genetically modified animals could make it to your plate with minimal testing—and no public input.” Grist.org. July 30, 2003. http://www.grist.org/article/and3/ (01/01/11) [32] “The Future of Food: 10 Scary Facts About ‘Nano Foods.’” MedicalCodingCertification.com. August 2, 2010. http://www.medicalcodingcertification.com/blog/2010/the-future-of-food-10-scary-facts-about-nano-foods/ (01/01/11) [33] Biello, David “Do Nanoparticles in Food Pose a Health Risk?” Scientific American. March 13, 2008. http://www.scientificamerican.com/article.cfm?id=do-nanoparticles-in-food-pose-health-risk (01/01/11) [34] “The Future of Food: 10 Scary Facts About ‘Nano Foods’.” MedicalCodingCertification.com. August 2, 2010. http://www.medicalcodingcertification.com/blog/2010/the-future-of-food-10-scary-facts-about-nano-foods/ (01/01/11) [35] Lyons, Kristen. “Nanotechnology: Transforming Food and the Environment.” April 5th, 2010. http://www.foodfirst.org/en/node/2862 (02/02/11) [36] Berger, Michael. “Nanosilver used in food storage materials found to interfere with DNA replication.” February 19, 2009. http://www.nanowerk.com/spotlight/spotid=9340.php (02/02/11) [37] Shetler, Gordon. “Nanosilver in consumer products: No silver lining for fish.” Environmental Health News. Nov. 17, 2009. http://www.environmentalhealthnews.org/ehs/news/nanosilver (02/02/11) [38] Biello, David. “Government Fails to Assess Potential Dangers of Nanotechnology.” Scientific American. December 18, 2008. http://www.scientificamerican.com/article.cfm?id=government-fails-to-assess-dangers-of-nanotechnology (01/05/11) [39] “Nanotechnology and the environment: A mismatch between claims and reality.” Nanowerk.com. July 20, 2009. http://www.nanowerk.com/news/newsid=11736.php (01/01/11) [40] Biello, David “Do Nanoparticles in Food Pose a Health Risk?” Scientific American. March 13, 2008. http://www.scientificamerican.com/article.cfm?id=do-nanoparticles-in-food-pose-health-risk (01/01/11) [41] “Unregulated Nano Products Flooding Market, Presenting Dangerous Toxicity Potential.” PreventDisease.com. DATE UNKOWN. http://preventdisease.com/news/10/031110_nano_products_dangerous.shtml (01/04/11) [42] “The Future of Food: 10 Scary Facts About ‘Nano Foods’.” MedicalCodingCertification.com. August 2, 2010. http://www.medicalcodingcertification.com/blog/2010/the-future-of-food-10-scary-facts-about-nano-foods/ (01/01/11) [43] Biello, David “Do Nanoparticles in Food Pose a Health Risk?” Scientific American. March 13, 2008. http://www.scientificamerican.com/article.cfm?id=do-nanoparticles-in-food-pose-health-risk (01/01/11) |
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