Research reveals pesticides are responsible for reducing regional biodiversity of invertebrates in streams and rivers by up to 42 percent. The study's findings highlight the urgent need for new concepts linking ecology with ecotoxicology to protect aquatic ecosystems.
A Johns Hopkins study of 50 pregnant women found associations between higher exposure to DDT and other contaminants and increased fetal motor activity, as well as reduced fetal heart rate accelerations. The findings suggest the developing fetus is susceptible to environmental exposures, highlighting the need for prenatal protection.
A meta-analysis of over 100 studies found exposure to pesticides, weed killers, and solvents is associated with a higher risk of developing Parkinson's disease. The research suggests that the risk increases in a dose-response manner as length of exposure to these chemicals increases.
A new study found that certain compounds in honey, including p-coumaric acid and propolis, can stimulate the expression of detoxification genes and immunity genes in honey bees. This suggests that a diet rich in these substances may help protect against pesticide exposure and other threats.
Two studies by the University of Pittsburgh researchers found that wood frogs living near agricultural fields are resistant to chlorpyrifos and other insecticides. This increased resistance may be an adaptation to frequent exposure to pesticides, which can harm amphibian populations.
A new study published in Significance magazine assesses how precision agriculture can improve the farming economy and crop quality, ensuring food security. Geostatistics is used to map and predict soil properties, allowing farmers to apply inputs like fertilizers and pesticides more efficiently.
A global review reveals a cocktail of pressures contributing to declining pollinator populations, impacting crop yields and wild plant reproduction. Effective habitat networks, pesticide risk assessments, and innovative disease therapies are proposed solutions.
Researchers found that exposure to combined pesticides interferes with the learning circuits in bees' brains, causing slower learning or forgetting important associations. This has profound implications for honeybee colony survival as bees unable to learn will not be able to find food.
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.
A study published in Environmental Research found a direct relationship between pesticide exposure and type 2 diabetes prevalence. Pesticide concentrations were significantly higher in the adipose tissue of people with type 2 diabetes, suggesting that pesticides may be an underlying factor in its development.
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 large European study found that multiple myeloma is related to farm work, printing and cleaning. The EPILYMPH study, which included 277 cases and matched controls by age and gender, found an increased risk for farmers, cleaning workers, telephone and radio operators.
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.
A systematic review of 14 studies and 1,600 participants found lasting decrements in neurological and cognitive function, particularly in memory and information processing speed. The study's findings suggest that low-level exposure to organophosphate pesticides may be associated with impaired cognitive function.
Researchers are studying different methods to kill sand flies, including screening insecticides and developing diagnostic tools. Sand fly resistance to pesticides is also being studied, which could help protect military personnel and others affected by this pest.
USDA researchers have created toxic sugar-based baits luring mosquito death; five compound classes kill all three mosquito species. Scientists also discovered how repellents work by disrupting chemical attractants in mosquito receptors.
A study published in Environmental Health found that family members and preschool children are at high risk for exposure to toxic compounds such as arsenic, pesticides, and acrylamide. The researchers suggest dietary modifications can mitigate risk, including eating organic produce and limiting consumption of animal meat and fats.
A new study published by the American Academy of Neurology reveals a significant link between head injuries and pesticide exposure to an increased risk of Parkinson's disease. People with Parkinson's were found to be three times more likely to have had a head injury and exposure to paraquat, a common herbicide.
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.
UK scientists found that widely-used agricultural insecticides like neonicotinoids may not be the primary cause of honeybee colony collapse. Researchers repeated a flawed calculation and used a realistic birth rate, revealing the risk of colony collapse under pesticide exposure disappears.
Sheep and goats can be trained to avoid eating olive leaves and grapevines through conditioned taste aversion, which simulates toxic components found in plants. This method reduces the need for pesticides and farming equipment while providing a nutrient-rich agricultural resource.
The new screening technique uncovers five novel immune-priming compounds in Arabidopsis plants that protect crops without impacting growth or yield. These compounds work by inhibiting enzymes that inactivate defense hormone salicylic acid, leading to enhanced disease resistance.
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.
A new mass spectrometer, DESI, is being used in real-world medicine to analyze fingerprints, detect pesticides, and identify biomarkers for prostate cancer. The device can also aid in brain cancer surgery by analyzing tissue samples and determining tumor type and stage.
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.
Research on nano-pesticides is crucial for understanding their fate and toxicity, as well as assessing potential benefits and drawbacks. The development of new pesticides products based on nanotechnology holds promise for reducing environmental contamination, but concerns about human health risks persist.
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.
A new study has found that sublethal concentrations of Roundup can alter the morphology of amphibian tadpoles, causing them to change shape in ways that mimic predator-induced changes. This is the first study to show a pesticide inducing morphological changes in a vertebrate animal.
Two studies found that neonicotinoid insecticides harm bumblebees by reducing food intake and queen production, while impairing honeybees' homing abilities, leading to increased mortality. The pesticides can also interfere with bees' behavior, posing a threat to pollination.
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.
A study by Lund University found that organic strawberry farms had significantly higher pollination rates (45% vs. 17%) due to the absence of pesticides and non-organic fertilizers. This positive effect on pollination was evident within 2-4 years after farm certification.
A guide outlining exposure risks and reduction tips for common environmental toxins has been created by researchers. The guidelines provide evidence-based recommendations on how to counsel patients about lead, mercury, pesticides, and other endocrine-disrupting chemicals.
A WSU researcher found that environmental toxicants, including jet fuel and pesticides, can cause disease-causing compounds in offspring for up to three generations. The study demonstrates the potential for transgenerational disease development through epigenetic changes.
Researchers found low densities of key insect pests in Illinois corn and soybean fields due to environmental conditions and widespread use of Bt-corn hybrids. This practice goes against integrated pest management advice, leading to concerns about insect resistance.
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 at Purdue University have found a link between honeybee deaths and exposure to neonicotinoid insecticides used on corn and soybean seeds. High levels of these pesticides were detected in talc waste, soil, and pollen collected by bees, suggesting that they may be contributing to bee deaths.
A novel approach to analyze potential health hazards associated with pesticides and toxic chemicals has been proposed by a UM researcher. The new model can predict the likelihood of illness from chemical mixtures and reduces data requirements significantly.
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.
A new study predicts that Europe's streams will be heavily polluted with insecticides in the future, particularly in Scandinavia and Central Europe. The researchers recommend drastically reducing pesticide use and setting up buffer zones to mitigate this issue.
A new study shows that radiation can effectively sterilize the light brown apple moth (LBAM), an insect pest found in California. The method involves using a 250 Gy irradiation dose on pupae to induce over 95% sterility in females and males, reducing the need for pesticides.
The study reveals unique genes that contribute to the spider mite's resistance to pesticides and its ability to produce silk threads. This breakthrough provides new insights into the evolution of arthropods and offers opportunities for developing more effective crop protection strategies.
Researchers are utilizing genomic data to create novel pest-control strategies, reducing reliance on chemical pesticides and environmental pollution. The study focuses on the biology of the two-spotted spider mite, exploring its ability to develop pesticide resistance and potential applications in crop protection.
The sequenced spider mite genome provides insights into its feeding frenzy, pesticide resistance, and web-making abilities. The study reveals the genetic basis for these traits, including the acquisition of bacterial genes that enhance digestion and detoxification.
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.
Researchers discovered that a widely used bee antibiotic increases susceptibility to pesticides, contributing to colony collapse disorder. The study suggests that oxytetracycline interacts with specific proteins in the bees, rendering them more vulnerable to toxic chemicals.
A study published in PNAS found a strong association between high levels of pesticides, polycyclic aromatic hydrocarbons (PAHs), and an increased risk of spina bifida and anencephaly in newborns. The researchers collected placentas from 80 fetuses with birth defects and found high concentrations of endosulfan, lindane, and PAHs.
A study analyzing 500 organic substances in four major European rivers reveals that 38% are present in concentrations potentially affecting organisms. Most pesticides, not currently on the EU's list, pose a risk to aquatic ecosystems.
A study by Uppsala University researchers found a clear connection between increasing levels of environmental toxicants and atherosclerosis. The findings also showed a link to fat accumulation in vessel walls, highlighting the potential role of these compounds in cardiovascular disease.
Researchers at UC Davis have developed a self-cleaning cotton fabric that can kill bacteria and break down toxic chemicals like pesticide residues when exposed to light. The new fabric uses 2-AQC, a chemical that bonds strongly to cellulose in cotton, producing reactive oxygen species that kill bacteria and break down toxins.
A USDA aerial photography survey found that the invasive leafy spurge weed is displacing native mountain big sagebrush seedlings in Idaho. The survey used high-resolution digital cameras to sample large areas of the western US.
Low-income populations may be deprived of essential nutrients due to unfounded fears about pesticide residues on fruits and vegetables. Bruce N. Ames explains that most pesticides are naturally present in plants to protect them, and at low doses, they are not a concern for human health.
University of Guam scientist Dr. Gadi V.P. Reddy is developing an integrated control strategy to manage sweetpotato weevil populations using pheromone traps and lethal fungi, eliminating toxic pesticides.
Researchers have identified three cytochrome P450s in honey bee midguts that detoxify tau-fluvalinate and coumaphos, potentially allowing bees to coexist with these pesticides. This discovery may lead to the development of less toxic mite control methods.
Scientists with the U.S. Department of Agriculture (USDA) are identifying factors that influence pesticide levels in the Chesapeake Bay airshed. The study found that nearly all air samples contained lindane and chlordane products, with highest concentrations at dieldrin and DDE.
Researchers discovered a molecular link between pesticides and Parkinson's disease, shedding light on the oxidative stress that contributes to the neurodegenerative disorder. The study provides evidence that exposure to environmental toxins may be a primary cause of Parkinson's, with potential implications for prevention and treatment.
The i5k Initiative aims to sequence the genomes of 5,000 insects and other arthropods over five years. This will provide valuable information for developing new pesticides, understanding disease transmission, and controlling agricultural pests. The project's leaders invite entomologists worldwide to contribute to the effort.
Researchers analyzed data collection methods to examine pesticide use's environmental impact. They found that flow velocities of soil water and residence time of pesticides in the soil affect sorption parameters.
Researchers found that combined exposure to the three chemicals increases the risk of Parkinson's disease threefold. People who live and work near fields sprayed with these pesticides experience the greatest increase in risk.