Articles tagged with Pesticides
A study published in Neurology found an association between pesticide heptachlor epoxide and reduced brain cells in nonsmokers who drank more than two cups of milk daily. Researchers discovered residues of the pesticide in 90% of participants with high milk consumption, but note that the study does not show cause-and-effect.
Lili He will study mechanisms of how chemical pesticides penetrate fresh produce and move into plant tissues, affecting food safety for consumers. Her research uses innovative SERS techniques to detect trace amounts of pesticides without damaging samples.
A new study has found a link between early pesticide exposure and decreased lung function in children, with increased organophosphate metabolites associated with reduced air capacity. The study's findings suggest that chronic exposure to pesticides could leave children at risk of developing respiratory problems like COPD.
A UK study by University of Stirling researchers found that neonicotinoid pesticide use is linked to declining butterfly populations, with 15 species showing population declines. The chemicals can persist in the environment and contaminate wildflowers, providing little nourishment for butterflies.
Researchers find oil-based pesticides outperform water-based counterparts in killing contents of brown widow spider egg sacs. The silk layer's hydrophobic properties hindered water-based pesticide penetration, but oil-based aerosols effectively breached this barrier.
A device that hijacks the mating signals of Asian citrus psyllids may help provide an environmentally friendly system for preventing citrus greening, a devastating disease that has cost the Florida citrus industry billions of dollars. The researchers' vibration trap uses acoustic methods to lure male psyllids into traps, where they are...
A new study presents a portable smartphone-based detection system using a paper sensor that produces strong signals to detect pesticide thiram. The system integrates nanoparticles, a mini-laser, an optical filter, and software that runs on Android, giving reliable and accurate detection readings at low concentrations.
A meta-analysis of 21 studies found pesticide exposure increases diabetes risk by 61%, with some pesticides linked to higher risks for type 2 diabetes. The study suggests environmental contaminants like pesticides may play a role in diabetes pathogenesis, but results require caution due to observational data.
Researchers from Concordia University and the University of Tennessee found that preserving natural habitats is crucial for maintaining bat populations. The study analyzed data from 9,552 hours of bat call recordings and found that bats need natural habitats to survive, even in highly modified agricultural landscapes.
Researchers found that American grapes have low levels of metabolites crucial to fine wine, but are high in anti-fungal compounds. The study suggests using chemical profiling to design a better grape breed for the wine industry.
A new study found an association between pyrethroid pesticide exposure and attention deficit hyperactivity disorder (ADHD) in children and young teens, especially in terms of hyperactivity and impulsivity. Boys were three times more likely to have ADHD than girls with detectable urinary biomarkers.
Researchers found that a sublethal dose of imidacloprid significantly weakens termites' ability to fight off fungal diseases by knocking out key microbes in the termite gut and suppressing social hygiene habits. This combination wiped out laboratory colonies in just seven days.
A research project by ACIB uses bacteria as bodyguards for seeds like corn, canola, and sugar beet to improve growth, ward off pests, and increase resilience. The method has shown positive results in tests, offering a viable alternative to pesticides for healthier food production.
Research in The FASEB Journal found that neonicotinoid pesticides alter bee brains, disrupting learning, food gathering, and reproductive abilities. Exposure to low levels of these pesticides can cause significant harm to bees, leading to smaller colonies and poor nest conditions.
A team of scientists is working on a project to create new pesticides that target specific insect species without harming beneficial ones. By mimicking the hormone systems of these insects, researchers hope to disrupt their reproductive cycles and prevent population explosions.
Researchers from Cardiff University and Rothamsted Research created tiny molecules that replicate a natural insect-repelling smell, offering a potential alternative to pesticides. The team's breakthrough uses an enzyme to create similar smelling insect repellent molecules, with some exhibiting attractive behavior.
A study published in Human Reproduction found a link between eating high-pesticide residue fruit and vegetables and lower sperm counts and percentages of normally-formed sperm. However, the total amount of fruit and vegetables consumed was unrelated to semen quality overall.
Men who consumed more produce with high pesticide residue levels had lower sperm counts and poorer sperm quality. Conversely, those who ate less of such produce had better semen health. The study suggests that minimizing pesticide exposure through organic or low-residue foods may be beneficial for reproductive health.
A commonly used pesticide may increase the risk of attention deficit hyperactivity disorder (ADHD) in children and pregnant women. According to a new Rutgers study, exposure to pyrethroid pesticides like deltamethrin can lead to dysfunctional dopamine signaling, hyperactivity, and other ADHD-like symptoms.
The EPA's proposed rule aims to disclose all pesticides' inert ingredients, but consumer advocates argue it doesn't go far enough to protect human health and the environment. The fight over regulations dates back nearly a decade, with advocacy groups claiming that many inert ingredients are hazardous to people's health.
The FITOVID project aims to reduce fungal disease treatment in vineyards by applying less product and using new technologies for early detection. Researchers test alternative strategies, including 'zero waste' products, to boost sustainable management of pests and diseases.
Research from the University of Guelph reveals that arctic mammals like caribou can metabolize current-use pesticides ingested through vegetation, limiting their impact on humans who consume them. The study found significant biomagnification was not observed in this food chain.
NYU researchers have engineered a protein that can detoxify organophosphates, commonly used in pesticides and warfare agents. The protein has increased stability and half-life, making it suitable for therapeutic applications, including preventing nerve damage from gas attacks or pesticide exposure.
Researchers found that currently used pesticides are not biomagnified in Arctic food chains. Instead, Arctic mammals metabolize these pesticides, preventing their accumulation in the ecosystem.
A large-scale study found that organic foods have higher antioxidant levels and lower pesticide residues compared to conventional counterparts. The research team analyzed 343 peer-reviewed publications on the topic and discovered significant nutritional benefits from organic farming.
Researchers will investigate a gut parasite that negatively impacts honey bees, analyze pesticide effects, and model ecosystem stability in response to extinctions and invasions.
Scientists developed a wearable wristband that can detect and quantify a wide range of toxic substances, including pesticides and industrial chemicals. The silicone-based band can absorb over 1,000 chemicals, providing a valuable tool for determining individual exposure and risk.
The Yangambi km5 banana variety produces toxic metabolites that kill the nematode Radopholus similis, a major roundworm pest. This discovery could lead to the development of edible and pest-resistant banana varieties, as well as new pesticides against nematodes.
The Review finds that the number of recognized chemical causes of neurodevelopmental disorders has doubled, and the list of unregulated chemicals has expanded. Stringent controls could generate billions in savings and improve childhood health outcomes.
Researchers found that pesticides inhibiting aldehyde dehydrogenase enzyme increase Parkinson's disease risk, especially in people with ALDH2 gene variant. Exposure to multiple pesticides at work and home also increases risk.
A new study by UCLA researchers found that certain pesticides inhibit an enzyme called ALDH, which converts toxic aldehydes into less harmful agents, increasing the risk of Parkinson's disease. The study identified 11 pesticides that increase the risk, particularly in individuals with a common genetic variant of the ALDH2 gene.
A Rutgers University study links pesticide exposure to increased Alzheimer's disease risk, particularly in those over 60. Higher levels of the DDT compound were found in late-onset Alzheimer's patients' blood compared to controls.
Researchers found significantly higher levels of DDE, a long-lasting metabolite of DDT, in Alzheimer's patients compared to healthy controls. Elevated DDE levels increased the risk of Alzheimer's by a factor of four.
A new study by Royal Holloway University of London found that prolonged exposure to a widely used pesticide causes smaller worker bees. The research revealed that the pesticide reduces the size of individual bees produced by a colony, potentially impacting colony success.
A new detection method and model enable determinations of pesticide residues' biodegradability. The study classifies residues into three types based on their release mechanisms, allowing for more accurate evaluation of pesticide environmental impact.
A Fred Hutchinson Cancer Center-led study has found a link between two organochlorine pesticides and an increased risk of endometriosis. Women with higher exposures to these pesticides had a 30- to 70-percent increase in endometriosis risk, according to the study.
A Stanford-led study of pesticide exposure and hypospadias in male infants found only weak evidence of an association. The researchers analyzed thousands of birth records and commercial pesticide application records for eight counties in California's Central Valley, identifying 15 chemicals with possible associations with the condition.
Research found that pesticides can subtly impact individual bees, leading to colony failure. The study provides an important breakthrough in understanding the causes of declining bee populations and offers insights for policymakers.
Researchers at the University of Missouri have developed a reliable method for detecting silver nanoparticles in fresh produce and other food products. The study found that smaller particles can penetrate skin and reach sensitive sites after digestion, posing a potential health risk to consumers.
A new Dartmouth study finds that many people fear low amounts of chemicals in their food, despite being inherently harmless and often beneficial. The study argues that regulators should focus on pathogens and bacteria rather than pesticides and synthetic chemicals.
New technology for creating pesticides and pest-resistant crops raises concerns about harm to desirable insects and ecological disruption. Researchers suggest designing chemicals that minimize impact on non-target species and evaluating real-life situations.
A new study emphasizes the importance of reducing pesticide reliance and adopting integrated pest management (IPM) strategies to minimize exposure in children. The research found pesticides in all homes studied, with traditional pesticides ineffective in controlling infestations.
Researchers found that contaminated water used to dilute pesticides can carry human noroviruses, potentially contaminating the food chain. The study suggests that pesticide application may be a microbiological risk factor for public health.
Infant girls exposed to high levels of DDT while pregnant are three times more likely to develop hypertension as adults. Hypertension is a major risk factor for heart disease, which claims millions of lives worldwide.
Researchers found that benomyl exposure can trigger a cascade of cellular events leading to Parkinson's disease, even in individuals without prior pesticide exposure. The study suggests developing new drugs to protect ALDH activity may slow disease progression.
A recent study published by the American College of Allergy, Asthma and Immunology suggests that pesticides used for water purification can lead to food allergies. The research found a correlation between high levels of dichlorophenol-containing pesticides and weakened food tolerance in individuals.
Research found that chronic exposure to two pesticides impaired natural foraging behaviour and increased worker mortality in bumblebee colonies. This led to significant reductions in colony success and increased rates of colony failure.
Children exposed to piperonyl butoxide (PBO) in the womb have a heightened risk of noninfectious cough at ages 5 and 6. The study suggests that toxic exposures during pregnancy can damage the respiratory system, leading to symptoms like childhood cough.
The Stanford study analyzed 237 studies comparing organic and conventional foods, finding no significant difference in health benefits or nutrient content. Organic produce had a lower risk of pesticide contamination, but pesticide levels were generally within safe limits.
A Stanford University study analyzing existing research on organic and conventional foods found limited evidence of health benefits for organic food. The review did show that consumption of organic foods can reduce pesticide exposure, but also noted that the differences were not clinically significant.
A new analysis found that over two-thirds of recently approved pesticide active ingredients have roots in natural substances. Scientists have discovered that biological and natural products-based pesticides are a rich source of new active ingredients.
A study by UC San Diego biologists found that a small dose of imidacloprid, a commonly used crop pesticide, makes honey bees more selective and less willing to feed on low-sugar nectar. This can lead to reduced food stores and communication among the colony.
Professor Eamonn Keogh's wireless bug sensor technology uses a text message system to alert farmers about harmful insects, reducing pesticide costs and increasing profits. The Vodafone Americas Foundation Wireless Innovation Project award recognizes innovative solutions for social good.
A new study from Harvard School of Public Health finds a link between imidacloprid and Colony Collapse Disorder (CCD) in honeybees. The researchers discovered that even low levels of the pesticide can cause hive collapse, highlighting the potential impact on agriculture.
Purdue University researchers discovered that chemical additives in pesticides can form smaller 'satellite' droplets that drift into unwanted areas. By carefully modulating the strength or ratio of surfactants to polymeric additives, these unwanted satellite droplets can be mitigated or eliminated.
Researchers at the University of Missouri are studying the molecular structure of a controversial pesticide to determine if it can be made more efficient and safer. They found that the active ingredient, methyl iodide, can be slowed down in its release, reducing the need for large amounts of pesticide.
A recent study by Mehmet Isleyen and colleagues found that grafted watermelon plants accumulate pesticide levels up to 140 times higher than non-grafted watermelons. The researchers advise commercial farmers to exercise caution when using this grafting practice to minimize exposure to pesticides.
Researchers from the University of Guam and Japan are collaborating on a new method for controlling sweet potato weevil pests using Integrated Pest Management (IPM) techniques. The team has successfully developed traps containing fungal spores, which have shown high effectiveness in reducing weevil populations.
Researchers sequence the two-spotted spider mite's genome, revealing genes capable of detoxifying pesticides and plant toxins. This breakthrough sheds light on how these pests counteract plant defenses and provides new insights for developing targeted pesticides.
A $7.5 million NIH grant will fund a Center of Excellence at Ohio State University to develop novel enzyme-based antidotes for nerve agents and pesticides. The team aims to create efficient enzymes that can neutralize multiple toxic agents, paving the way for new treatments and preventive measures.