(Beyond Pesticides, January 22, 2013) The U.S. Environmental Protection Agency (EPA) recently faced tough questioning from the U.S. Court of Appeals for the Ninth Circuit over its decision to conditionally approve a pesticide product containing nanosilver as the active ingredient. The antimicrobial pesticide product, HeiQ AGS-20, contains microscopic particles of silver and has been applied to textiles such as clothes, blankets, and pillowcases, in an attempt to suppress odor and bacterial growth. The main argument in the Natural Resource Defense Council (NRDC) v. EPA lawsuit is that EPA was wrong  to assume that 3-year-olds would be the most vulnerable consumers. Instead, NRDC attorney Catherine Rahm of Washington argued that, “Infants are more likely than any other subgroup to chew on fabrics that could contain this pesticide.” In arguments over whether EPA lawfully granted conditional registration to HeiQ AGS-20, NRDC challenged EPA’s risk assessment for infants and children claiming the agency erred by assuming in its risk assessment that 3-year-olds would be the most vulnerable consumers. Up for debate is oral exposure to the product and whether 3-year-olds chew more aggressively than infants and produce more saliva, an important factor for extracting nanoparticles from products and becoming exposed. NRDC contends EPA’s […]

(Beyond Pesticides, January 18, 2013) Joining the list  of speakers at Beyond Pesticides’ 31st National Pesticide Forum are Tyrone Hayes, Ph.D., the biologist best known for his research on the effects of atrazine on frogs, and Isaac N. Pessah, Ph.D., the  Chair of the Department of Molecular Biosciences at the University of California, Davis School of Veterinary Medicine. The conference will focus on cutting edge public health science, building resilience in our food system and communities, and bringing ecosystems back to balance, and will incorporate regional issues such as water and food sovereignty in the Southwest. The National Forum provides an opportunity for grassroots advocates, scientists, and policy makers to interact and strategize on solutions that are protective of health and the environment. The 31st National Pesticide Forum, Sustainable Families, Farms and Food: Resilient communities through organic practices, will be held April 5-6, 2013 (Friday afternoon and all day Saturday) at the University of New Mexico in Albuquerque, NM. Registration information can be found in our online store. The conference is convened by Beyond Pesticides, La Montanita Coop, and the University of New Mexico Sustainability Studies Program, and co-sponsored by local, state and regional public health and environmental organizations, including […]

(Beyond Pesticides, January 16, 2013) Children living near chemical-intensive or conventional plantations in Costa Rica are exposed to twice as much of the insecticide chlorpyrifos compared to children living near organic plantations, a study reports. More than half the children, mostly from indigenous tribes- Ngäbe and Bribri – have a  higher daily exposures than allowed under U.S. federal standards. Chlorpyrifos is linked to neurological effects, especially in children, and is still permitted for use on crops. The study,  Indigenous children living nearby plantations with chlorpyrifos-treated bags have elevated 3,5,6-trichloro-2-pyridinol (TCPy) urinary concentrations, was lead by Berna van Wendel de Joode, PhD  (Central American Institute for Studies on Toxic Substances (IRET), Universidad Nacional, Heredia, Costa Rica). It was conducted in Costa Rica’s banana and plantain plantations in the Talamanca region, and  targeted villages situated nearby to the plantations where blue bags treated with chlorpyrifos are routinely used to protect banana and plantain crops from pests. Two villages under study are near plantations that use chlorpyrifos-treated bags, while the organic village is near several plantations  that use little or no insecticide. For 140 children, aged 6 — 9, mostly indigenous Ngäbe and Bribri, parent-interviews and urine samples were obtained. Chlorpyrifos’ environmental levels […]

(Beyond Pesticides, January 8, 2013) Neurologists at the University of California, Los Angeles (UCLA) have published their latest research linking pesticide exposure to Parkinson’s disease. Appearing in the online edition of PNAS, the UCLA scientists’ work details the series of events that can occur after individuals are exposed to the pesticide benomyl, which was phased out in 2001. Researchers believe their findings on the series of events the pesticide sets in motion could be applicable even to Parkinson’s patients who have not been exposed to benomyl. According to scientists, exposure to benomyl prevents the enzyme aldehyde dehydrogenase (ALDH) from keeping in check a naturally occurring toxin in the brain called 3,4-Dihydroxyphenylacetaldehyde (DOPAL). Without ALDH regulating DOPAL, the toxin accumulates, damages neurons, and increases an individual’s risk of developing Parkinson’s disease. Researchers postulate that this process may be occurring in people with Parkinson’s who were never exposed to pesticides. The findings of this research provide insight into possible treatments to slow the disease, such as developing new drugs to protect ALDH activity. Although the exact cause of Parkinson’s is still unknown, until this research scientists were focusing in on the protein a-synuclein as a pathway to the disease. The protein, present […]

(Beyond Pesticides, December 18, 2012) Certain pesticide manufacturers are gearing up to try to block EPA’s attempts to cancel certain rodent poisons that are known to be hazardous to children and wildlife, including endangered species. After more than a decade of research and review, and an unacceptably high number of poisoning incidents, EPA has acknowledged that certain active ingredients are too dangerous to remain on the market, and is now requiring all remaining over-the-counter rodent control products to be in secured, tamper-resistant bait stations to reduce the incidents of accidental exposure to children. Granular and powdered products will be banned. But certain chemical companies are refusing to comply with EPA’s order and have indicated that they will challenge the agency’s decision. Every year, more than 10,000 children are exposed to rodent poison products, and the majority of calls to poison control centers concern children under the age of three. Despite the availability of alternatives, industry is leading a campaign against EPA’s decision, trying to scare communities into believing that they will be overrun with rodents and infested with disease if their products are not used. Meanwhile, less toxic rodent control products and those secured in bait stations are available, effective, […]

(Beyond Pesticides, December 17, 2012) Pets are frequently exposed to toxic chemicals used for lawn care, bug sprays, flea and tick products, and rodenticides. Recently, a dog ingested a zinc phosphide based pellet rodenticide, and threw up these toxic chemicals, creating a toxic gas that caused respiratory stress for four of the veterinary staff where the dog was being treated. The incident happened in Vail Valley Animal Hospital in Edwards, Colorado on December 7, and led to one emergency room veterinarian and three technicians being sent to the hospital. Sadly the dog did not survive after releasing this toxic gas. This is not the first incident of phosphine gas exposure at a veterinary clinic as a total of four have been reported from 2006 to 2011 in Michigan, Iowa, and Washington. When zinc phosphide is ingested and comes in contact with water it forms a poisonous gas. In a statement, the local fire protection district explained, “When the dog vomited, this released the [phosphine] gas as the pesticide had mixed with the contents in the dog’s stomach.” According to the Centers for Disease Control and Prevention (CDC), inhalation of high concentrations of phosphine gas can be deadly and can cause […]

(Beyond Pesticides – December 13, 2012) The 31st National Pesticide Forum, Sustainable Families, Farms and Food: Resilient communities through organic practices, will be held April 5-6, 2013 (Friday afternoon and all day Saturday) at the University of New Mexico in Albuquerque, NM. The conference is convened by Beyond Pesticides, La Montanita Coop, and the Universtiy of New Mexico Sustainability Studies Program, and co-sponsored by local, state and regional public health and environmental organizations, including the New Mexico Department of Agriculture’s Organic Program, Amigos Bravos, Our Endangered Aquifer Working Group, Farm to Table, Holistic Management International. Contact us if your organization is interested in joining as a co-sponsor. Registration fees begin at $35. Online registration coming soon. The conference will focus on building resilience in our food system and bringing ecosystems back to balance, incorporating regional issues such as water and food sovereignty in the Southwest. The National Forum provides an opportunity for grassroots advocates, scientists, and policy makers to interact and strategize on solutions that are protective of health and the environment. Featured speakers Joel Forman, MD, is an Associate Professor of Pediatrics and Community and Preventive Medicine at Mt. Sinai Hospital, New York City. Dr. Forman is currently a […]

(Beyond Pesticides, December 10, 2012) Long-term low-level exposure to organophosphate pesticides produces lasting damage to neurological and cognitive functions, according to researchers at University College London (UCL). This research pulls data from 14 studies over the past 20 years, including more than 1,600 participants, in order to provide a quantitative analysis of the current literature on these dangerous chemicals. Lead author of the study, Sarah Mackenzie Ross, Ph.D., notes, “This is the first time anyone has analyzed the literature concerning the neurotoxicity of organophosphate pesticides, using the statistical technique of meta-analysis.” UCL’s systematic review, published in the journal Critical Reviews in Toxicology, comes to an unsettling conclusion about the hazards of constant low-level occupational exposure to organophosphates. The study notes, “The majority of well designed studies found a significant association between low-level exposure to [organophosphates] and impaired neurobehavioral function which is consistent, small to moderate in magnitude and concerned primarily with cognitive functions such as psychomotor speed, executive function, visuospatial ability, working and visual memory.” In other words, low-level exposure had significant detrimental effect on working memory and information processing. The researchers are hopeful that the results of their analysis will be used to inform governments performing reviews on the […]

(Beyond Pesticides, December 6, 2012) A study published in the December issue of Annals of Allergy, Asthma and Immunology finds that exposure to dichlorophenols may be associated food allergies. Dichlorophenols are used as an intermediary in the manufacturing of some of the most commonly used pesticides, such as 2,4-D, and are also used to chlorinate drinking water. This study may help explain in part why food allergies are on the rise in the U.S. and already affect 15 million Americans. Lead researcher Dr. Elina Jerschow and her associates analyzed the urine of 10,348 Americans who were participants in the U.S. National Health and Nutrition Examination Survey (NHANES) of 2005-2006. Of the over 10,000 surveyed, 2,548 had detectable amounts of dichlorophenols in their urine, and 2,211 of those participants were included in the study. Out of these 2,211 people, 1,427 were found to have some form of either food or environmental allergy. Participants with higher levels of dichlorophenols are more likely to have allergies then those with low levels present in their urine. Researchers in this study argue that by consuming high levels of dichlorophenols individuals are altering the composition of bacteria in their stomachs. By over consuming dichlorophenols individuals are […]

(Beyond Pesticides, November 30, 2012) A health care institution is weighing in to warn people about potential dangers of genetically engineered (GE) food. On the heels of the American Academy of Pediatrics’ warning on pesticides, the nation’s largest nonprofit health care plan, Kaiser Permanente, has published in its print newsletter, Partners in Health, tips on limiting exposure to genetically engineered food. In the Fall 2012, Kaiser Permanente has published an article, “What you need to know about GMO: Limit exposure to genetically engineered organisms with these tips.” This discussion in the health care sector is part of a growing involvement by health care practitioners in environmental health concerns related to pesticides and genetic engineering of the food supply. While Canadian medical groups have warned the public about the dangers of pesticides and supported phase-outs, institutions representing the medical community in the U.S. have been more reserved. In 2004, the Ontario College of Family Physicians (OCFP) in Canada strongly recommended that people reduce their exposure to pesticides wherever possible, after releasing a comprehensive review of research on the effects of pesticides on human health. OCFP’s Systematic Review of Pesticide Human Health Effects shows consistent pesticide links to serious illnesses such as […]

(Beyond Pesticides, November 28, 2012) Earlier this year the maker of the fumigant methyl iodide indicated it would stop producing the toxic chemical. Now, the U.S. Environmental Protection Agency (EPA) and the registrant, Arysta LifeScience North America, LLC have entered into a Memorandum of Agreement to formally terminate all agricultural use of methyl iodide in the U.S. by the end of 2012 and ultimately remove all methyl iodide products from the U.S. market. EPA is opening a 30-day comment period for Arysta’s request for voluntary cancellation of all of the company’s methyl iodide product registrations, as stipulated in the agreement. Methyl iodide, or iodomethane, has been registered since 2007 for use as a pre-plant soil fumigant to control pests in soil where fruits, vegetables, ornamental plants, and turf are to be grown. In March 2012, Arysta, the sole registrant, announced its plans to immediately suspend all sales of its methyl iodide MIDAS ® products in the U.S. Under the recently signed agreement and the voluntary cancellation request, all of Arysta’s existing methyl iodide end-use product registrations will be cancelled and use of existing stocks in the U.S. will be prohibited effective December 31, 2012. Further distribution and sale of methyl […]

(Beyond Pesticides, November 27, 2012) On Monday, the American Academy of Pediatrics (AAP) released a landmark policy statement, Pesticide Exposure in Children, and an accompanying technical report on the effects of pesticide exposure in children. In the documents, released in the December 2012 issue of Pediatrics magazine and online on November 26, AAP makes note of the current shortfalls in medical training, public health tracking, and regulatory action on pesticides. Acknowledging the risks to children from both acute and chronic effects, AAP’s report provides recommendations to both pediatricians and government health agencies. AAP’s policy statement comes on the heels of an October 2012 report citing the benefits of eating organic food in order to reduce pesticide exposure. Lead authors on the documents for the AAP’s Council on Environmental Health are James R. Roberts, MD, MPH, Medical University of South Carolina, and Catherine J. Karr, MD, PhD, University of Washington. AAP’s statement notes that, “Children encounter pesticides daily and have unique susceptibilities to their potential toxicity.” The report discusses how kids are exposed to pesticides every day in air, food, dust, and soil. Children also frequently come into contact with pesticide residue on pets and after lawn, garden, or household pesticide […]

(Beyond Pesticides, November 14, 2012) For years, scientists have shown that pesticide exposures are linked to the onset of Parkinson’s disease. Now a new study by researchers at University of California, Los Angeles, (UCLA) finds that exposure to pesticides and suffering a head injury are associated with a three-fold increase in one’s chances of developing Parkinson’s disease. Parkinson’s disease is the second most common neurodegenerative disease, and occurs when nerve cells in the substantia nigra region of the brain are damaged or destroyed and can no longer produce dopamine, a nerve-signaling molecule that helps control muscle movement. People with Parkinson’s disease have a variety of symptoms, including loss of muscle control, trembling and lack of coordination. Over time, symptoms intensify. At least one million Americans have Parkinson’s and about 50,000 new cases are diagnosed each year. The study, “Traumatic brain injury, paraquat exposure, and their relationship to Parkinson disease,” published in the journal Neurology surveyed more than 1,000 adults ages 35 and older who lived in central California. Some 357 of the participants were diagnosed with Parkinson’s disease. Participants with the disease were nearly twice as likely as those without the disease to report having had a head injury in […]

(Beyond Pesticides, October 19, 2012) School is a place where children need a healthy body and a clear head in order to learn. Despite a successful trend toward nonchemical strategies, pesticides remain prevalent and are widely used today in universities, schools, and daycare facilities. Kelsey Crain, an undergraduate student at University of Delaware, first became aware of the issue when, “I noticed there was this weird rash on my legs which wasn’t there before I was on The Green.” Kayla Iuliano, Crain’s friend and reporter at the student-run University of Delaware Review, probed the University about why there was no notification, and in return was given standard bureaucratic prose: “University Spokesman John Brennan stated in an email message that workers are not required to post signs when areas are sprayed because the chemicals are not harmful when used properly, and personnel are trained in how to apply them,” she wrote in the University of Delaware Review. “He said the sprays are commonly used commercial products and are registered for use with the Environmental Protection Agency. ”˜They are recognized in the industry as safe when applied as directed’.” The pesticide widely applied to the Green is called “PowerZone,” which is composed […]

(Beyond Pesticides, October 18, 2012) A new study pinpoints agricultural pesticides and fertilizers as the likely culprit for an incurable and deadly kidney disease that has afflicted thousands of Sri Lankans. As many as 400,000 people in the north-central region of Sri Lanka may be affected by the chronic kidney disease (CKD), and as many as 22,000 people may have died over the last two decades as a result. “The reason for the spread is heavy metals in the water caused by the unregulated use of fertiliser and pesticides,” Dr. Channa Jayasumana, from the Faculty of Medicine at the Rajarata University in Anuradhapura, told Inter Press Service News Agency (IPS). The World Health Organization (WHO) and the Sri Lankan government launched an investigation four years ago, testing the local environment and taking blood, urine and tissue samples. The results, which were released this summer in a one-page press release, pointed to cadmium and arsenic. Though cadmium is found in fertilizers, it is illegal to use arsenic-based pesticides in Sri Lanka. Dr. Jayamasumana is one of the doctors that has been engaging in research activities in the epidemic of CKD, and told Beyond Pesticides that they strongly believe that the main […]

(Beyond Pesticides, October 11, 2012) A new report highlights the growing body of research that links pesticides to the rampant rise of learning disabilities, childhood cancer and asthma in the United States, and calls for swift policy change to protect future generations. In particular, the report points out that children are more sick today than they were a generation ago, confronting serious health challenges from pesticides and other chemical exposures that their parents and grandparents were unlikely to face. This report underscores the importance of changing the individual chemical assessment approach to regulating pesticides, and integrating a systems approach that incorporates organic principles that strive to eliminate unnecessary pesticide use. The report entitled, A Generation in Jeopardy: How pesticides are undermining our children’s health and intelligence was released by Pesticide Action Network North America (PAN). It draws from academic and government research, focusing on studies published within the past five years, to chronicle the emerging threat of —with over 1 billion pounds applied on farms and homes annually— to children’s health. Children and other sensitive sub-populations are exposed to a “toxic soup” of chemicals whose health impacts are not properly understood and clouded in uncertainties which are not captured in […]

(Beyond Pesticides, October 9, 2012) Sewage sludge is big business in Channahon, IL, but many residents who live near fields treated with the fertilizer believe they’re the ones paying the price. Farms in the area began applying the “biosolids” in 2010, and residents say that’s when their health issues began, according to Morris Daily Herald. Biosolids, otherwise known as sewage sludge, are composed of dried microbes previously used to process wastewater in treatment plants. The material is increasingly being used in conventional agriculture, but its application is explicitly forbidden in organic production. This is because the sludge can contain high concentrations of toxic contaminants, such as pesticides, detergents, estrogenic hormones, antibiotics, dioxins, PCBs, flame retardants, and heavy metals. Past research gives credence to Channahon residents’ claims of adverse health effects as a result of living near sludge coated fields. A 2002 study revealed the material to be associated with an increased prevalence of Staphylococcus aureus infections, a condition known to cause skin rashes and respiratory problems, for people located in close proximity to biosolid application sites. “What they are doing is making a toxic dump of our area. It’s disgusting,” said Channahon resident Pat Budd in an interview with Kris […]

(Beyond Pesticides, October 2, 2012) The herbicide atrazine may be linked to an amplified risk of choanal atresia, a congenital abnormality of the nasal cavity, according to researchers at Baylor College of Medicine and other Texas institutions. Choanal atresia is recognized when tissue formed during fetal development blocks an infant’s nasal cavity. Though it is a rare condition, it is considered quite serious because it can affect an infant’s ability to breathe. The study, scheduled for publication in The Journal of Pediatrics, focused on atrazine because, although there are very few risk factors for choanal atresia, endocrine disrupting chemicals are suspected to be associated with the condition. “Endocrine disrupters aren’t fully understood, but it is believed they interfere with or mimic certain hormones, thereby blocking their proper function and potentially leading to adverse outcomes,” said Dr. Phillip Lupo, lead author of the study. Looking at mothers from Texas counties with the highest levels of estimated atrazine application, researchers discovered that they are 80 percent more likely to have children with choanal atresia or stenosis (a less severe form of the condition) than compared to mothers who live in counties with the lowest levels. The herbicide atrazine and over 50 other […]

(Beyond Pesticides, September 21, 2012) A new French study reports that rats fed a diet of Roundup-tolerant genetically modified (GM) corn had an increased risk of developing tumors, suffering organ damage and dying prematurely. The study is the first animal feeding trial studying the lifetime effects of exposure to Roundup tolerant GM corn and has prompted the European Food Safety Authority to look into the study’s results. However, it is also being criticized by some other scientists who said the methodology was flawed and that other research had not found similar problems. The study, “Long term toxicity of a Roundup herbicide and a Roundup-tolerant genetically modified maize,” which is being published in the peer-reviewed journal Food and Chemical Toxicology, was led by Gilles-Eric Séralini, PhD, at the University of Caen in France. The study followed 200 rats for two years, the life-span of the rat, but far longer than the typical 90-day feeding studies used in regulatory assessments and subsequent approval of GM crops. The rats were fed different amounts of NK603 corn developed by Monsanto to be resistant to the herbicide Roundup. In some cases, the corn had been sprayed in the field with Roundup. Other rats were given […]

(Beyond Pesticides, September 20, 2012) Raising questions about the adequacy of pesticide regulation, historically and ongoing, Consumer Reports published a new study yesterday that finds “worrisome” levels of inorganic arsenic in rice products. Arsenic is a known human carcinogen. This new report follows its earlier one that finds high levels of arsenic in apple and grape juice. The report finds elevated arsenic levels across organic and conventional products, raising serious questions about widespread environmental and soil contamination from past and continuing arsenical pesticide use. Although organic arsenic occurs naturally in the environment, it is synthetic inorganic arsenic that poses the biggest health hazards to humans and animals. So, humans are exposed to two kinds of the carcinogen in air, water, soil, and food sources. But unlike organic arsenic, which is found naturally in the environment, inorganic arsenic is present in our food as a result of pesticide application and animal feed. Arsenic is added to chicken feed as a supplement to control intestinal parasites and promote growth. It is consequently transferred into the meat of the animals and turns up in chicken manure. Arsenic is also widely used in the treatment of utility poles and in the arsenical herbicide MSMA […]

(Beyond Pesticides, September 17, 2012) Citizens in rural Oregon are concerned for their health after discovering that several major timber companies —Weyerhaeuser, Roseburg Resources, Stimson Lumber, Seneca Jones and others— have been spraying millions of pounds of herbicides on their private forestland since the 1970s. The pesticides were aerially sprayed after the area had been clear-cut of Douglas fir. This process of clear-cutting and aerial spraying for lumber production is ubiquitous on private forest land in Oregon’s $13 billion timber industry. In practice, pesticides are sprayed twice a year, usually in the fall and spring, and the spraying can last for several hours. It is unclear how many residents have been affected by the spraying, though a rough estimate based on U.S. Census data shows about 100,000 residents live near these privately owned forests. Many of these herbicides are turning up in very concerning places. Over the past year, forty one residents, including several children, have submitted their urine to be tested for pesticides, and every sample has tested positive for the chemicals 2,4-D, and atrazine. The presence of atrazine is particularly concerning because it is very mobile in the environment, and should be able to pass through the body […]

(Beyond Pesticides, September 12, 2012) Expectant mothers exposed to the pesticide additive piperonyl butoxide (PBO), widely used in synthetic prethroid insecticides and those ending in “thrin” (popular in mosquito spray programs), during pregnancy pass to their children a heightened risk of noninfectious cough at ages 5 and 6, according to researchers at the Columbia Center for Children’s Environmental Health (CCCEH). These findings support the premise that children’s respiratory system is susceptible to damage from toxic exposures during the prenatal period. Researchers outfitted 224 expectant mothers with air monitors during their third trimester of pregnancy and measured the levels of PBO and permethrin in the air around them. Then, once the children were 5 and 6, the same two chemicals were measured from air samples collected inside their home. Results showed that children exposed to PBO in the womb were at increased odds of reporting cough unrelated to cold or flu. Researchers found no correlation between prenatal or childhood exposure to permethrin, however they pointed out that this may be because PBO is easier to measure in air samples than permethrin. Coauthor of the study, “Prenatal exposure to pesticide ingredient piperonyl butoxide and childhood cough in an urban cohort,” Dr. Rachel […]

(Beyond Pesticides, August 10, 2012) A new study is the first to find a difference between how boys and girls respond to prenatal exposure to the insecticide chlorpyrifos. Researchers at the Columbia Center for Children’s Environmental Health (CCCEH) at the Mailman School of Public Health found that, at age 7, boys had greater difficulty with working memory, a key component of IQ, than girls with similar exposures. On the plus side, having nurturing parents improved working memory, especially in boys, although it did not lessen the negative cognitive effects of exposure to the chemical. Results are published online in the journal Neurotoxicology and Teratology. In 2011, research led by Virginia Rauh, ScD, Co-Deputy Director of CCCEH, established a connection between prenatal exposure to chlorpyrifos and deficits in working memory and IQ at age 7. Earlier this year, a follow-up study showed evidence in MRI scans that even low to moderate levels of exposure during pregnancy may lead to long-term, potentially irreversible changes in the brain. The latest study, led by Megan Horton, PhD, explored the impact of sex differences and the home environment on these health outcomes. Dr. Horton and colleagues looked at a subset of 335 mother-child pairs enrolled […]