(Beyond Pesticides, September 11, 2014) A study of pregnant women living near or working in Costa Rican banana fields shows disturbing levels of the fungicidal component ethylene thiourea (ETU) in the urine samples collected from the women tested. In 72 percent of the 445 women tested, researchers found ETU in urine at levels five times greater than that of the general population. The levels detected in the urine exceed reference doses  ””the numbers set by regulatory agencies, like the U.S. Environmental Protection Agency (EPA), that reflect the maximum acceptable oral dose of a toxic substance. Scientists conducting the study, Aerial Application of Mancozeb and Urinary Ethylene Thiourea (ETU) Concentrations among Pregnant Women in Costa Rica: The Infants’ Environmental Health Study (ISA), focused on ethylene thiourea because it is the main metabolite of the active ingredient found in Mancozeb, a fungicide used in agriculture, professional turf management, and horticulture. The fungicide’s prominent uses on food and feed crops include tree fruits, such as bananas, apples, and pears. It is not just the presence and levels found within the urine that  is troubling. Researchers also discovered that pregnant women who live within 48 meters of banana plantation have on average 45% more […]

(Beyond Pesticides, September 5, 2014) A study published in a scientific journal finds that the U.S. Environmental Protection Agency (EPA) favors the chemical  industry when making determinations on pesticide safety. Under the Federal Insecticide Fungicide and Rodenticide Act (FIFRA), EPA conducts  risk assessments to determine whether a new or existing chemical is eligible for registration or reregistration and therefore able to enter or remain on the market. The study’s conclusions raise serious concerns for both environmental and human health protection because of EPA’s practice of inviting bias and underestimating potential harm. The study, which will be in the October issue of BioScience, highlights the case of atrazine, an herbicide that has been linked to cancer, endocrine disruption, birth defects, and reproductive effects. In their study, Michelle Boone, Ph.D., of Miami University, and her colleagues find that most pesticide toxicity tests used in risk assessments are conducted by pesticide manufacturers themselves. The authors contend that this can result in conflicts of interest. Additionally, strict methodological criteria, such as the types of containers in which exposed specimens are raised, often mean that potentially relevant studies are barred from EPA’s assessment process. The agency reassessed atrazine  based on a sole, manufacturer-funded study, finding […]

(Beyond Pesticides, August 14, 2014) Pesticides are not the first thing to pop into mind when peering into a hot mug of steaming, pale green or murky black tea first thing in the morning. A recent report published by Greenpeace India announced the results of an investigation that tested for pesticide residues in branded tea. The verdict? Nearly 94% of the tea samples tested contained at least one of 34 different pesticides, while over half contained a toxic cocktail of more than 10 different pesticides. The residues found include DDT, which was banned for use in agriculture in India since 1989, and endosulfan, which was banned in 2011 by the Indian Supreme Court. Over half of the 49 samples contained illegal pesticides — either those that are not approved for use in tea cultivation or exceeded recommended limits. These pesticides include ones that have been long banned from agriculture and use in tea cultivation (DDT and triazophos), suspected mutagens and neurotoxicants (monocrotophos), and insecticides associated with the global decline in bee populations (neonicotinoids like thiacloprid and thiamethoxam). The most frequently detected pesticides include thiamethoxam (78%), cypermethrin (73%), acetamiprid (67%), thiacloprid (67%), DDT (67%), deltamethrin (67%), dicofol (61%), imidacloprid (61%), and […]

(Beyond Pesticides, July 23, 2014) New Zealand’s Environmental Protection Authority is stepping up its requirements for a higher level of scientific evidence regarding the safety and effects of neonicotinoids -pesticides linked to bee decline- before considering them for approval. Just last month, the Authority declined an application of thiamethoxam, a neonicotinoid, for use as a seed treatment, citing risks to bees. The decision follows a recent worldwide integrated assessment of research into systemic pesticides that concludes that neonicotinoid insecticides pose a serious risk to birds, honey bees and other pollinators, and a wide range of invertebrates, including earthworms. The international analysis of 800 peer-reviewed scientific reports confirms concerns of beekeepers and environmental groups throughout the world that long-term exposure to systemic pesticides at low, sublethal levels could be harmful to bees and a factor in declining bee populations. While it is unclear what these new stringent requirements are, the Authority, which works with New Zealand’s Beekeepers Association on the issue, already confirmed specific restrictions to products containing neonicotinoids to minimize the risk to insect pollinators. These restrictions include the prohibition of the use of neonicotinoids in areas where bees are foraging, or on plants and trees while they are in […]

(Beyond Pesticides, July 17, 2014) The U.S. Fish and Wildlife Service (FWS) issued an internal memorandum last week that  signals a significant shift in its pesticide-application policies for Pacific Region wildlife refuges: no more neonicotinoids. The memorandum, dated July 9, 2014, states, “The Pacific Region will begin a phased approach to eliminate the use of neonicotinoid insecticides (by any method) to grow agricultural crops for wildlife on National Wildlife Refuge System lands, effectively immediately. By January 2016, Region 1 will no longer use neonicotinoid pesticides in any agricultural activity.” In February 2014, environmental groups, including Beyond Pesticides, filed a legal petition to ban the use of neonicotinoids on wildlife refuges. The new guidelines go on to explain that the change in policy will also affect the transition period through 2016. During that time, refuge managers must exhaust all remedies before application or use of neonicotinoids, including the use of neonicotinoid-treated seeds. Additionally, starting in 2015 all refuge managers must prepare and submit a Pesticide Use Proposal (PUP) in order to apply any neonicotinoids during the transition to the ban. While not a direct response to the petition filed earlier this year calling for a ban of genetically-engineered crops and neonicotinoids […]

(Beyond Pesticides, July 15, 2014) More nutritional antioxidants, far fewer toxic pesticides; those are the results of a comprehensive meta-analysis on organic foods published yesterday in the British Journal of Nutrition.  Led by Carlo Leifort, Ph.D, at England’s Newcastle University, the analysis is a scientific rebuttal to a previous Stanford University review published in 2012, which found that there was little difference between the nutritional content of organic food over conventionally grown produce. Both studies found there to be fewer pesticides in organic products. While Stanford University’s review only looked at 200 studies, Dr. Leifert and his team of researchers expanded the scope of their meta-analysis to 343 studies, and also employed more robust analytic tools by analyzing the standardized mean differences of the data from the various studies. It shows very clearly how you grow your food has an impact,” said Dr. Leifert to The New York Times. “If you buy organic fruits and vegetables, you can be sure you have, on average, a higher amount of antioxidants at the same calorie level.” Antioxidants, compounds such as phenolic acids, flavanones, stilbenes, flavones, flavonols and anthocyanin, have been linked to lower risks of cancer and other diseases. For many, news […]

(Beyond Pesticides, July 10, 2014) In the face of public outcry and protest, chemical-industry giant, Syngenta, has withdrawn its emergency application to allow the use of neonicotinoid pesticides on United Kingdom (UK) oilseed rape crops (known as canola in the U.S.). The application, filed earlier this year in anticipation of the UK canola growing season, claimed that canola farmers would suffer irreparable damage from pests without the use of neonicotinoids that had been banned under a temporary two-year European Union (EU). The EU’s directive that went into effect at the end of 2013 and will continue through 2015 was enacted to protect the severely declining and threatened bee populations  ””a problem  throughout Europe and the world. While many factors contribute to the bee decline, neonicotinoids, a relatively new class of pesticides, have been linked through numerous studies to the significant decline and were determined by the European Food Safety Authority to be a “high acute risk.” Neonicotinoids are often used as a seed coating on agricultural crops as well as in foliar applications, affecting bee and pollinator survival at several different levels. Whereas foliar applications can lead to mass-die offs and acute toxicity, systemic applications to seeds subject bees and […]

(Beyond Pesticides, July 7, 2014) A study led by the U.S. Geological Service (USGS) finds intersex fish in three watersheds of Pennsylvania and shows strong connections between these occurrences and increased pollution in waterways from endocrine-disrupting chemicals. The study, Reproductive Health Indicators of Fish from Pennsylvania Watersheds: Associations with Chemicals of Emerging Concern, examined three species of fish in three separate watersheds of Pennsylvania to assess whether characteristics caused by hormones and hormone-mimicking compounds, such as immature eggs in male fish, were present. In aquatic environments, the presence of these intersex characteristics is widely used as a biomarker for assessing exposure to estrogenic chemicals, as well as anti-androgenic chemicals which inhibit development of male characteristics. Male smallmouth bass from all sites sampled had immature eggs in their testes; prevalence was lowest in the Ohio drainage, intermediate in the Delaware and highest in the Susquehanna. While these findings were disturbing in and of themselves, the study was also able to draw a connection to the increased presence of intersex characteristics and areas of high agricultural use. “The prevalence and severity of the immature eggs in smallmouth bass corresponded with the percent of agricultural land use in the watershed above the collection […]

(Beyond Pesticides, June 26, 2014) Over half of the “bee-friendly” home garden plants sold at garden supply centers such as Home Depot, Lowe’s, and Walmart have been pre-treated with pesticides shown to harm and kill bees, according to a study released yesterday by Friends of the Earth, Beyond Pesticides and allies. The study, Gardeners Beware 2014, shows that 36 out of 71 (51 percent) of garden plant samples purchased at top garden retailers in 18 cities in the United States and Canada contain neonicotinoid (neonic) pesticides — a key contributor to recent bee declines. Some of the flowers contained neonic levels high enough to kill bees outright and concentrations in the flowers’ pollen and nectar are assumed to be comparable. Further, 40% of the positive samples contained two or more neonics. Gardeners Beware 2014 is a larger follow up to a first-of-its-kind pilot study co-released by Friends of the Earth, Beyond Pesticides, and other groups last August. The new study expanded the number of samples and number of locations where plants were purchased, and also assessed the distribution of neonic pesticides between flowers and the rest of the plant. “Our data indicate that many plants sold in nurseries and garden […]

(Beyond Pesticides, June 25, 2014) Following last week’s celebration of “National Pollinator Week” and a presidential memorandum mandating federal action on bees, the first wide-scale scientific analysis has been released that links  two classes of pesticides  to declining bee populations. Twenty-nine scientists representing many disciplines reviewed over 800 peer-reviewed publications  on the impacts of systemic pesticides, and are recommending  more restrictions on neonicotinoid pesticides. This report is the single most comprehensive study of  neonicotinoids ever  undertaken. The “Worldwide Integrated Assessment (WIA)” ”” undertaken by the Task Force on Systemic Pesticides ”” documents significant harms to bees and ecosystems. While some aspects of this report have been broadly acknowledged  before (e.g. risks to honey bees), some, including risks to earthworms, birds and aquatic invertebrates, have not. The analysis focuses not only on impacts to particular  organisms and habitats, but also on  biodiversity and ecosystem impacts, taking a holistic view of pesticide effects. The scientists are calling for new, dramatic restrictions on bee-harming pesticides in the United States and beyond. The report  finds that the current regulatory system has failed to consider the full  range of pesticide effects. “This report should be a final wake up call for American regulators who have […]

(Beyond Pesticides, June 3, 2014) In a letter to the Environmental Protection Agency (EPA) and the U.S. Department of Agriculture, the Center for Food Safety (CFS) challenged EPA’s position that seeds coated with pesticides, commonly neonicotinoid pesticides, are exempt from regulation  under the Federal Insecticide Fungicide and Rodenticide Act (FIFRA). EPA currently is arguing that pesticide-coated seeds are treated articles, exempting them from being regulated as a pesticide and should be regulated by USDA under the Federal Seed Act.   However, CFS argues in its letter that FIFRA precludes EPA from approving language at any stage of the pesticide’s supply chain that allows for exposures likely to adversely affect the environment, and which are not mitigated or investigated by EPA or state agencies. Neonicotinod seed treatments have become increasing common and are linked to the explosion of genetically engineered (GE) crops. At least 94% of the nation’s 92 million acres of corn –greater than the total size of the state of Minnesota, Nebraska, or both Dakotas–  will be treated with one of two neonicotinoids, both manufactured by Bayer. According the letter, CFS believes this inaction by EPA has led state regulators to avoid investigating bee deaths from exposure to dust […]

(Beyond Pesticides, May 21, 2014) In response to recent public concern over the use of bee-killing systemic insecticides in treated nursery plants, Minnesota has just passed labeling legislation, HF 2798, which will inform consumers which plants are bee-friendly. The move follows a commitment by two Minnesota state agencies to study the impact of neonicotinoid pesticides, which ””given mounting research implicating neonicotinoids in bee declines”” beekeepers claim do not go far enough. Although the bill does not address agricultural neonicotinoid use, it is the first of its kind to ensure that nurseries keep tabs on the insecticides used on garden plants. Under the bill passed by Minnesota’s House and Senate last week, plants may not be labeled as beneficial to pollinators if they have been treated with detectible levels of systemic insecticides. Specifically, “A person may not label or advertise an annual plant, bedding plant, or other plant, plant material, or nursery stock as beneficial to pollinators if the annual plant, bedding plant, plant material, or nursery stock has been treated with and has a detectable level of systemic insecticide that: (1) has a pollinator protection box on the label; or (2) has a pollinator, bee, or honey bee precautionary statement […]

(Beyond Pesticides, May 12, 2014) A study published in the Bulletin of Insectology substantially undercuts chemical industry arguments that neonicotinoid pesticides are not the primary contributing factor  in Colony Collapse Disorder (CCD). The results find that  hives exposed to low doses of two neonicotinoid pesticides””imidacloprid and clothianidin””do not recover from over winter losses from which  control hives quickly rebound. Researchers also discount other possible causes of CCD commonly touted by industry like diet, parasites, and pathogens. The study adds to the already expansive literature that  clearly links sublethal exposure neonicotinoid pesticides to rapid bee declines nationwide. The study, Sub-lethal exposure to neonicotinoids impaired honey bees winterization before proceeding to colony collapse disorder, was conducted in central Massachusetts during the 2012-2013 winter at three different locations with six bee colonies in each location. A third of the colonies were exposed to low doses of the pesticide imidacloprid, while another third were exposed to the pesticide clothianidin, both neonicotinoids, and the remainders were not treated. At each apiary the colonies were separated into two groups in which honey bees were fed with either sucrose water or high-fructose corn syrup (HFCS) over the study period. During the fall and winter seasons, researchers found […]

(Beyond Pesticides, May 8, 2014) – Two citizen groups have taken the initial step toward debunking chemical-industry claims that glyphosate, the world’s most widely-used herbicide, does not bioaccumulate or metabolize in humans. The pilot study, conducted by Moms Across America and Sustainable Pulse, looked at ten breast-milk samples and 35 urine samples from across America and 21 drinking water samples. The groups commissioned Microbe Inotech Labs to conduct the analysis, and what they found raises some serious questions about the prevalence and persistence of glyphosate. In breast milk, three of the ten samples tested reveal high levels of glyphosate, meaning that the amount of glyphosate found  is between 76 ug/l to 166 ug/l. The highest glyphosate level detected in a mother is from Florida (166 ug/l) and the other two mothers with “positive” results are from Virginia (76 ug/l) and Oregon (99 ug/l). While these levels fall under the U.S. Environmental Protection Agency (EPA) drinking water maximum contaminant level (MCL) of 700 ug/l, across the pond in Europe this range of exposure is 1,000 higher than what is deemed safe. From the 35 urine samples received from across the U.S., 13 samples are above the minimum detectable level. The three […]

(Beyond Pesticides, April 30, 2014) A new report, released this week by author  Michele Simon  and Friends of the Earth  documents the tactics used by Bayer and other pesticide companies to delay regulatory action on neonicotinoid pesticides —a key contributor to bee declines. The report identifies public relations tactics reminiscent of those used by the tobacco industry, is now being used by Bayer, Syngenta, and Monsanto. Meanwhile, a Congressional hearing on pollinator health, with a panel dominated by industry, ignored the risks pesticides pose to pollinators, and failed to address sustainable solutions to bee decline. The report,  Follow the Honey: 7 Ways Pesticide Companies Are Spinning the Bee Crisis to Protect Profits,  uncovers the deceptive public relations tactics used by industry giants Bayer, Syngenta and Monsanto, to deflect blame from their products’ contributions to bee declines. The products in question are the chemicals now widely used for seed treatment  —neonicotinoids— as well as on residential sites. They are highly toxic to bees and have been linked to bee decline. Last year, the European Union banned the three most widely used neonicotinoids —imidacloprid, clothianidin and thiamethoxam— based on strong science indicating these insecticides can kill bees outright and make them more […]

(Beyond Pesticides, April 18, 2014) Test results have confirmed that the charismatic mountain lion named P-22 ””that frequently roams the hills of the San Gabriel Mountains surrounding Los Angeles, California”” has been exposed to highly toxic rat poisons. When remote cameras in Griffith Park caught images of the puma, state park officials saw a thin mangy cat, far different from the majestic shots taken months ago by National Geographic against the Hollywood sign as a backdrop. Upon performing blood testing analysis, they found that P-22 had been exposed to anticoagulant pesticides, stoking the debate around rodenticide use, as further research suggests that these pesticide poisonings are a common occurrence. Researchers already know of the link between pesticides and mange””parasitic mites which burrow into the skin or hair follicles causing bald spots, scabbing and sore, which left untreated has contributed to the death of wild and domestic animals. Previous research by the National Park Service (NPS) has shown that bobcats that have ingested rodenticide are much more likely to suffer from mange. While the cougar has been treated with topical ointments for mange, and a dose of vitamin  D with vitamin  K as an antidote to the rat poisons, it is […]

(Beyond Pesticides, March 25, 2014) Highly toxic rodenticides linked to the poisoning of pets, wildlife and young children will no longer be allowed on store shelves in California starting July 1 of this year. According to rules adopted last week by California’ Department of Pesticide Regulation (CDPR), “second generation anticoagulant rodenticides,” including the chemicals brodifacoum, bromadiolone, difenacoum, and difethialone found in d-CON brand products, will be classified as California-restricted materials, and only allowed to be used by certified pesticide applicators. Attempts by the U.S. Environmental Agency (EPA) to remove these products from store shelves nationwide stalled last year after the manufacturer of d-CON rodenticides, Reckitt Benckiser, sued the agency to delay implementation of the cancellation process. In July of 2011, the California Department of Fish and Wildlife requested CDPR restrict the use of anticoagulant rodenticides due to numerous incidents involving direct and indirect poisoning of wildlife. Anticoagulants impair blood clotting and eventually cause internal bleeding in target animals. However, rodents can feed on poisoned bait multiple times before death (some are even resistant to the chemicals now), and as a result their carcasses may contain residues that are many times the lethal dose. Poisoning can occur to nontarget species when […]

(Beyond Pesticides, March 13, 2014) Part deux of a 2012 study finding that sperm counts in French men had decreased 30% over the past 16 years came to a second startling conclusion in a 2014 analysis: the cause for those dramatic decreases may be pesticides. 2012 Sperm-Count Study Published in the scientific journal Human Reproduction, the landmark 2012 study showed an alarming 30 percent decrease in sperm counts across France between 1989 and 2005. Because the data for the 2012 study were drawn from Fivnat ””a French assisted reproduction technology database”” researches made sure to limit analysis to 26,600 sperm samples from otherwise virile 35-year-old men whose partners’ fallopian tubes were either blocked or missing. This control was added to ensure that the each couple’s infertility was due to these latter problems and not a problem with the man’s sperm. Broken down, the 2012 studies identified a 1.9 percent continued annual dip in sperm concentration and also found that there was a significant 33.4% decrease in the percentage of normally formed sperm over the entire 16-year period. At the time of release, the 2012 study’s authors wrote: “To our knowledge, it is the first study concluding a severe and general […]

(Beyond Pesticides, March 7, 2014) Forty Minnesota beekeepers have called on the state’s Department of Agriculture to suspend the use of corn seeds treated with bee-killing neonicotinoid pesticides, now one of the most ubiquitously used insecticides nationwide. Their move follows a commitment by two Minnesota state agencies to study the impact of neonicotinoid pesticides, which””given mounting research implicating neonicotinoids in bee declines””beekeepers claim do not go far enough. Minnesota beekeeper Steve Ellis, owner of Old Mill Honey Co., expressed the petition’s rationale to MPRNews, “Beekeepers in Minnesota last year and in years previous have been reporting mortality events at corn seeding time,” said Mr. Ellis, who has about 2,500 hives in Barrett, Minn. “Apparently the dust is getting off of the corn seeding and going off site and causing poisoning of honey bees on flowers and around their hives.” The petitioners represented more than 10 percent of managed honey bees in the state with a total of 40,000 hives. But many, like Mr. Ellis, are contracted to provide pollinator services to crops around the nation, not just in Minnesota. These crops include cherries, blueberries, pumpkins, apples, and almonds. In California, the $3-billion almond industry spends $239 million annually to rent […]

(Beyond Pesticides, February 27, 2014) Beyond Pesticides joined Center for Food Safety (CFS), Public Employees for Environmental Responsibility (PEER), and Center for Biological Diversityearlier this week in filing a formal petition for rulemaking with the U.S. Department of the Interior (DOI). The petition demands that the U.S. Fish and Wildlife Service (FWS), the DOI bureau tasked with managing and regulating the system of National Wildlife Refuges (NWRs) across this country, establish better protections for wildlife and their habitat by prohibiting the use of genetically engineered (GE) crops and neonicotinoid pesticides in NWRs as well as other necessary policy changes. The petition asserts that the allowed cultivation of GE crops and use of neonicotinoid pesticides on lands designated as NWRs violates not only the purpose and protective standards of the National Wildlife Refuge Act (NWRA), which seeks to conserve, manage and restore fish wildlife, and plant resources and their habitats for the present and future generations, but also threatens endangered species by resulting in destruction of critical habitat protected under the Endangered Species Act (ESA). Specifically, pollen from GE crops drift and contaminate related wild plants and natural crops. There is also the problem that GE crops are overwhelmingly engineered for […]

(Beyond Pesticides, February 26, 2014) The French agriculture ministry is prosecuting Emmanuel Giboulot, an organic winemaker, for failing to apply insecticide to his vines. The ministry wants insecticide to be sprayed to control the leafhopper Scaphoideus titanus, believed to be responsible for the spread of the grapevine disease, but Mr. Giboulot believes the pesticide is ineffective and damaging to pollinating insects such as bees, and insists the disease can be fought via more natural means. Emmanuel Giboulot appeared before a judge in the city of Dijon on Monday after defying an official order to treat his vineyard against an insect suspected of transmitting a devastating plant disease, and risks six months in jail for failing to take preventive measures against a bacterial vine disease. He was fined €1,000 for putting neighboring vineyards at risk. The court’s final verdict will be announced on April 7. Mr. Giboulot, an organic and biodynamic winemaker, was found to be in violation of a directive to use pesticides to fight Flavenscence dorée, an infectious disease spread by the leaf hopper, Scaphoideus titanus that threatens the Côte-d’Or region of Burgundy. An estimated 30 acres of vines were destroyed by the disease in 2012. “Would we give […]

(Beyond Pesticides, February 11, 2014) In the midst of another tough winter for bees across the globe, scientists reveal new research showing that exposure to neonicotinoid pesticides causes a 57% reduction in the amount of pollen bumblebees are able to collect for their colony. The new evidence on these systemic pesticides, “Field realistic doses of pesticide imidacloprid reduce bumblebee pollen foraging efficiency,” published in the journal Ecotoxicology, documents a decline in pollen gathering abilities at extremely low doses that bees are likely to encounter in the field. Researchers found that the effects of neonicotinoid intoxication persist for a least a month after exposure, underscoring the long-term damage these chemicals can cause to bee colonies. Hannah Feltham, PhD, research student and co-author of the study, remarked, “This work adds another piece to the jigsaw. Even near-infinitesimal doses of these neurotoxins seem to be enough to mess up the ability of bees to gather food. Given the vital importance of bumblebees as pollinators, this is surely a cause for concern.” After being exposed to “near-infinitesimal” amounts of the neonicotinoid imidacloprid through pollen and sugar water (6 parts per billion and .7 parts per billion, respectively), bumblebees were outfitted with Radio Frequency Identification […]

(Beyond Pesticides, February 5, 2014) According to a new study published in Environmental Health Perspectives, chemical contaminants in waterways that mimic estrogen -endocrine disruptors- target developing heart valves in fish and impair the growth of fish hearts. The study illustrates that these hormone-mimicking compounds, which include some pesticides, pharmaceuticals, and other household chemicals often found in sewage effluent and runoff that flows into waterways, are being linked to mounting science that show serious human and environmental adverse effects. Researchers from the Fish Health Branch of the U.S. Geological Survey (USGS) and the Carnegie Institution for Science exposed zebrafish embryos to water from 19 sites in the Susquehanna, Delaware, Allegheny and Shenandoah watersheds. Water from 16 of the sites triggered proteins in the fish that were estrogen receptors, indicating that the rivers contained endocrine disrupting chemicals. These receptors are attached to DNA, which turn genes on and off. While such activity is common in the liver, this is the first experiment to show estrogenic activity in heart valves. “This tells us that endocrine-disrupting chemicals could lead to improper heart development. We were quite surprised, since this is something that others hadn’t observed before,” said study co-author Luke Iwanowicz, PhD, and research […]