Research on how the environment affects human health. Covers pollutant exposure, toxic metals, waterborne illness, heat, and wastewater surveillance.
A study by Silent Spring Institute identified dozens of hazardous chemicals in hair extensions, including products made from human hair. The analysis revealed chemicals linked to cancer, hormone disruption, and developmental problems, prompting calls for stronger oversight and policy change.
A new study found that strength training is the most effective tool for achieving 'high-quality' weight loss, reducing body fat while preserving and even increasing muscle mass. This type of exercise also reduces waist circumference, a key indicator of abdominal obesity and cardiometabolic risk.
University of Maryland researchers found extremely high levels of disease-causing bacteria, including MRSA, in the Potomac River after a sewage spill. The team's testing revealed over 10,000 times above EPA recreational water quality standards for E. coli and detected Staphylococcus aureus at multiple sites.
A new study found that children growing up in homes with water damage and exposed to high levels of outdoor air pollution have a greater risk of developing asthma. The study also revealed that having a dog during infancy can reduce the risk of asthma in children.
A new study published in the Journal of Occupational and Environmental Medicine has identified clear occupational factors and demographic indicators associated with elevated serum levels of per- and polyfluoroalkyl substances among US career firefighters. The research provides vital insights into the factors that influence PFAS body bu...
Researchers found a significant decrease in lead concentrations in hair samples from Utahns, spanning over 100 years. The study demonstrates the impact of environmental regulations on public health and highlights the importance of protecting against toxic metals like lead.
The study found that students with physical disabilities reported higher overall quality of life scores compared to those with visual and hearing impairments. The research team recommends expanding inclusive sports programs and social activities tailored to sensory impairments.
A new study by University of California San Diego researchers found that fossil fuel plastics can amplify harmful algae blooms by killing off zooplankton, leading to an increase in algal concentrations. In contrast, biodegradable plastics had a smaller impact on zooplankton and algal communities.
A Simon Fraser University study reveals Canada's cycling infrastructure expanded by 3,596 km between 2022 and 2024. However, areas with more children and older adults saw less growth in cycling infrastructure, highlighting the need for more inclusive transportation planning.
A new study from Harvard found that North Atlantic pilot whales have 60% lower concentrations of per- and polyfluoroalkyl substances (PFAS) in their bodies since the phaseout of these chemicals. The researchers measured bulk organofluorine levels as a proxy for total PFAS concentrations, including newer types of PFAS.
Residential wood burning accounts for over one-fifth of wintertime exposure to outdoor fine particulate matter, linked to increased risks of heart disease and premature death. By reducing indoor wood burning, Americans could decrease outdoor air pollution and save thousands of lives.
A new study using satellite data confirms that California's shift to electric vehicles is making measurable differences in air quality and public health. For every 200 ZEVs added, nitrogen dioxide levels dropped 1.1%.
A multi-institutional study found that living in urban areas with visible trees is associated with a lower incidence of cardiovascular disease, with a 4% decrease. In contrast, higher percentages of visible grass were linked to a 6% increase in cardiovascular diseases.
A Swedish study published in JAMA Neurology found that prolonged air pollution exposure is associated with a higher risk of developing motor neuron disease, including ALS. Long-term exposure to even low levels of air pollutants was linked to faster disease progression and increased mortality rates.
A team of McGill researchers has found a range of unexpected chemical contaminants in human milk samples from Canada and South Africa. The chemicals include pesticides, antimicrobials, and additives used in plastics and personal-care products. Despite these findings, breast milk remains ideal for infants due to its nutrient content and...
Dog owners experienced a decline in physical activity during the COVID-19 pandemic but returned to pre-pandemic levels. Non-dog owners showed no significant changes. Before the pandemic, dog ownership was associated with high exercise self-efficacy, predicting greater physical activity.
Researchers from Tokyo Metropolitan University found that only 0.2% of used PCFs are washed into rivers, while 28% end up back on beaches near direct drainage points. The study highlights a significant 'sink' in the global circulation of plastics and sheds light on the complex transport of microplastics.
A study by researchers at the University of Seville found that 100% of children aged 0-2 years had exposure to environmental pollutants, with arsenic being the most neurotoxic element. The study highlights the need for routine biomonitoring programs to track exposure and its impact on early childhood development.
A new study from the ECHO Program found that exposure to fine particulate matter (PM2.5) and nitrogen dioxide (NO2) before and after birth may influence childhood blood pressure patterns. High blood pressure in children is a growing concern worldwide, with nearly 80% increase over two decades.
A new study by the University of Waterloo found that consuming local waterfowl may lead to higher levels of mercury and omega-3 fatty acids in Indigenous communities. Researchers suggest including waterfowl in monitoring programs to balance nutrition and risk reduction.
New research shows that vulnerable populations in the US are exposed to a larger number and higher intensity of environmental burdens. The study found strong relationships between concentrated environmental burdens and vulnerable communities, with communities of color and those with limited English fluency facing the greatest risks.
Korea University's Institute for Environmental Health trained faculty members from Karakalpakstan Medical Institute to improve environmental health in the region. The training aimed to enhance water quality and waste disposal management, fostering collaboration and joint research.
A new study has validated a non-destructive method to detect 'forever chemicals' on protective equipment, reducing the risk of cancer to firefighters. Researchers found PFAS in every set of firefighter gear examined, including breathing masks, with concentrations reaching hundreds of nanograms per gram.
A new study found that considering factors jointly can capture a more accurate representation of disparities in residential greenspace exposure, driven by structural racism. Exposure to trees and grass provides numerous benefits to physical and mental health, but inequities persist due to disinvestment in marginalized communities.
A new study explores the use of zinc oxide nanocrystals in the defluorination process of perfluoroalkyl substances. The research finds that ligand-capped ZnO NCs can efficiently break down PFOS, a persistent contaminant, with high defluorination rates and reusability demonstrated.
Researchers propose parametric urban design as a solution to improve urban design practice. This approach generates multiple possible layouts and assesses their impact on cardiometabolic health through algorithmic models. It addresses limitations of current methods by considering interdependencies between built environment features.
A University of Arizona-led study finds that PFAS contamination in drinking water costs the US at least $8 billion annually in social costs, with negative impacts on infant health and long-term economic benefits from cleanup and regulation.
A recent study found that a PFAS mixture can interfere with placental development, impairing nutrient transfer and hormone production. The research used a 3D trophoblast model to simulate placental exposure, revealing disrupted invasiveness, apoptosis, and proliferation processes.
A new study highlights five ways microplastics can trigger inflammation and damage in the brain, including immune cell activity and oxidative stress. Microplastics weaken the blood–brain barrier, causing immune cells to attack them and leading to further damage.
Researchers investigate how adjacent cities exacerbate each other's heat island effects. A study also highlights the need for improved hindcasting infrastructure in climate science. Additionally, a campaign monitors pinned clouds over industrial sources of heat and finds that trees are more reliable against heat stress than buildings.
The study found a positive shift in the prevalence of adverse childhood experiences (ACEs) among U.S. children between 2016 and 2023, with an increase in individuals reporting 0 ACEs and a decrease in severe ACEs. This trend suggests a reduction in severe ACEs among specific racial and ethnic groups and low-income families.
A new study by Johns Hopkins Bloomberg School of Public Health reveals that manure digesters are not a climate solution due to methane emissions and increased pollution hazards. The technology is criticized for incentivizing industrial animal agriculture with no meaningful climate benefit.
A Boston University study finds nearly 14% of the US population lives within a mile of fossil fuel infrastructure, posing potential health risks. The research highlights inequities in exposure, with predominantly non-white groups and urbanites disproportionately affected.
A 20-year study of 11,000 adults in Bangladesh found that reducing arsenic levels in drinking water was associated with lower mortality rates from heart disease, cancer, and other chronic illnesses. The study provides the first long-term, individual-level evidence that reducing arsenic exposure may lower mortality even among people exp...
A new study will analyze the effects of extreme weather on childhood development using big data. The research aims to better understand how weather-related events influence pediatric health and development, which could help address growing health disparities.
Researchers found a strong association between nitrogen dioxide levels and increased risk of cardiac arrest, with a 7% rise for every 10 micrograms per cubic metre increase. The study highlights the importance of considering environmental data in health forecasting systems.
A new policy brief argues that current EU regulations fail to account for the risks of chemical mixtures, which can exceed safe levels even below individual substance limits. Scientists propose integrating a Mixture Allocation Factor into the REACH Regulation to regulate mixtures and improve protection of human health and the environment.
Heat- and cold-related mortality burden in the US increased significantly between 2000 and 2020, with temperature extremes contributing to excess deaths. The study found that geographic location, cause of death, and demographic factors played a crucial role in differential vulnerability to temperature-related health risks.
A new study found that public greenspaces are lacking in many American communities, with some groups facing significant barriers to access. The research highlights the need for more inclusive park planning and distribution to ensure equal benefits for all residents.
Researchers from genomics and exposomics converged on a historic meeting to develop strategies for identifying disease causes. The collaboration aims to merge genetic and environmental factors using biochemical, molecular, and geospatial methods, ultimately driving prevention and treatment advancements.
A new study published by Yonsei University reveals that air pollution is a significant contributor to workplace accidents, increasing the risk of accidents and fatalities by 2.6 times when PM2.5 concentrations double. The study estimates economic losses of up to $10 billion annually.
A food tax shift could reduce premature deaths and disease by 700 annually and 700,000 tonnes of carbon dioxide emissions in Sweden. The study shows that selective taxes on unhealthy foods can lead to healthier diets without increasing the average price of groceries.
A new study led by Silent Spring Institute examines how job-related chemical exposures contribute to breast cancer risk among foreign-born workers. Immigrant women are overrepresented in high-risk jobs with fewer health and safety protections, facing unique barriers to avoiding toxic exposures at work.
The Mount Sinai School of Medicine has received a $4.5 million NIH award to establish a pioneering program in women's environmental health research. The program, called LEAP, will train the next generation of leaders in this emerging field.
Higher levels of tree canopy cover may help prevent injurious pedestrian falls by providing shade and cooling effects. Researchers found that during summer months, locations with pedestrians who fell were less likely to be shaded than matched control locations.
A recent study found no association between mould damage in schools and the development of asthma among students. Despite extensive mould damage in some schools, the health of over 30,000 students was tracked over a 16-year period, showing no increase in asthma cases.
Leading fashion brands and textile manufacturers have joined forces to address the microfiber pollution crisis through a comprehensive study. The project, led by Fashion for Good and Northumbria University, tested 24 fabric types and revealed complex challenges within the textile supply chain, including potential contamination levels.
Rice exposed to nanoplastics and cadmium suffered a 16% loss in biomass, but biochar treatment increased biomass by over 80% and restored chlorophyll and protein levels. Biochar formed a physical barrier, trapped pollutants, and enhanced antioxidant activity.
Researchers at Tohoku University utilized AI to develop strategies for water treatment and air pollution control. The study highlights innovative approaches using machine learning in material screening and global distribution simulation of pollutants.
Research from Colorado State University reveals how wildfire smoke combines with existing particulate pollution to create secondary, often more toxic, pollution and contribute to ozone formation. The study found that 90% of aerosol pollution over NYC is sensitive to at least one aspect of global changes, such as high temperatures.
A new study found that children who prefer pickled, smoked, and fried foods are more likely to have asthma. In contrast, seafood preference appears to reduce asthma risk among normal-weight children. The findings highlight the importance of early-life dietary habits in shaping respiratory health.
A new study by Environmental Working Group found that consuming certain fruits and vegetables can increase pesticide levels in people's bodies. The study suggests that everyday food choices can drive significant pesticide exposure and highlights the need for safer food systems.
Climate change is allowing disease-carrying insects to spread into new areas, resulting in a growing number of West Nile virus infection cases in Europe. The virus can attack the nervous system and brain, causing symptoms like fever, headache, and malaise, with severe consequences for vulnerable individuals.
A review of hundreds of studies found a link between childhood plastic exposure and long-term health concerns like heart disease, obesity, and asthma. Parents can take simple steps to limit their children's plastic exposure, such as replacing plastic containers with glass or stainless steel.
A new study estimates that US wildfires could cause up to 70,000 deaths annually by 2050 due to increased smoke pollution. The researchers also found that no community is safe from smoke exposure and estimated economic damages could reach $608 billion annually.
A study of Black and Latina women in South Los Angeles found that choosing safer personal care products can significantly lower exposures to risky chemicals. Women who avoided fragrance, parabens, and oxybenzone had lower levels of these chemicals in their urine compared to those who did not avoid them.
Researchers developed a strain-controlled testing method for evaluating liquefaction resistance in chemically treated soils, reducing carbon-dioxide emissions by up to 60%. The new method yielded consistent results, improving urban resilience and reducing economic losses in earthquake-prone regions.
A study examined the interactive effects of meteorological factors and air pollution on influenza cases in Huaian, China. The main findings showed that increasing PM2.5 levels decreased risk at low concentrations but increased risk at high concentrations.
A new study reveals that rivers, not wastewater treatment plants, are the primary source of microplastic pollution in the Gulf of Mexico. Computer modeling tracks tiny plastic particles across three years, highlighting critical habitats and pollutants that threaten marine life and human health.
A new study reveals the Levant Basin as one of the world's most concentrated graveyards for plastic packaging, with research findings showing extremely high seafloor concentrations of plastic bags and packaging. The basin acts as a final sink due to high pressure and sedimentation.