Research on how the environment affects human health. Covers pollutant exposure, toxic metals, waterborne illness, heat, and wastewater surveillance.
A new study from the University of Kansas examines extreme heat events in the US, finding a lack of consistent national framework for responding to heat events. Effective responses require reliable data and clear understanding of responsibility across different levels of government.
A study by Brown University and Columbia University found that road infrastructure isolates communities, leading to increased schizophrenia-related hospital visits. The Community Severance Index measures physical and social disconnection using roads, traffic, and lack of pedestrian infrastructure.
Researchers discovered high concentrations of tire- and rubber-related chemicals in Lake Sihwa sediments, with patterns reflecting changes in industrial activity and pollution control measures. The study provides a baseline for sediment concentrations, enabling understanding of future trends and potential risks to aquatic organisms.
A Mount Sinai study reveals that early-life exposure to common environmental metals may shape brain development and behavioral health more than a decade later. The research combined baby teeth with advanced brain imaging, pinpointing specific weeks during pregnancy and infancy when the developing brain appears most vulnerable.
A new study reveals a post-pandemic cycling boom in major cities, with fatality rates dropping by up to 88% in Paris, 82% in London, and 62% in New York City. The improvement is attributed to the expansion and improvement of cycling infrastructure, including cycleways separated from motor vehicle traffic.
A new EU project study found that combined exposures to man-made chemicals can lead to measurable biological effects not explained by individual substances, underestimating overall risk. The research identified a continuous exposure pathway from environment to people, including breast milk and umbilical cord blood.
A new UK study found that many heat-related deaths occur during lower-level alerts, highlighting widespread gaps in awareness and response. Older people are particularly vulnerable to these risks, with lower engagement with warnings leaving them exposed.
Researchers at Hiroshima University have developed a new approach to predicting harmful algal blooms by coupling three models and accounting for plankton species interactions. This improved forecasting can help prevent economic losses and protect fish stocks in countries like Chile, which has been hit hard by these blooms.
A new study by the University at Buffalo reveals that unequal access to recycling facilities plays a key role in shaping plastic waste management practices in the US. Wealthier and more college-educated communities are more likely to have convenient access to large-scale industrial recycling facilities, making recycling easier and more...
A study by the University of California, Davis, and State University of New York at Buffalo found that per- and polyfluoroalkyl substances (PFAS) were detected in over 90% of penguin leg bands in remote Patagonia. The non-invasive sampling method revealed a shift from legacy PFAS to newer replacement chemicals in the environment.
Researchers found non-survivable conditions in six global heat events, exceeding previously defined wet-bulb temperature thresholds. Vulnerable groups face extreme risk of physiological heat stress unless access to shade or cooling is ensured.
A landmark study of 100,000 Queensland residents found that the incidence of second primary invasive cutaneous melanomas has plateaued after a decades-long rise. The stabilization is attributed to the cumulative impact of long-running sun safety campaigns and increased skin cancer surveillance.
Researchers at NYU School of Global Public Health found that people living in neighborhoods with fewer social and economic opportunities have higher levels of CDKN2A RNA, a measure of cellular aging. This suggests that structural conditions may be biologically embedded and influence aging processes over time.
The University of Cincinnati has established a new Center for Public Health, led by Dr. Suzanne Judd, a renowned epidemiologist and expert in health disparities. The center aims to transform community health through innovative research, education, and strategic advocacy.
A study published in Nature Health reveals a strong link between pesticide exposure and the risk of developing certain cancers. The research shows that pesticide exposure increases the risk of cancer by 150% in areas with high levels of pollution, and highlights early biological effects before cancer develops.
A review by an international team of researchers highlights that air monitoring is essential for global public health strategies, as airborne antibiotic resistance genes can spread silently between humans, animals, and the environment.
A new study predicts that nearly one in three Americans will experience poor air quality daily by 2100 due to climate change. This could lead to widespread health issues, particularly among sensitive populations like the elderly and those with asthma.
A growing body of evidence suggests that daily use of antibacterial soaps, wipes, and other household products contributes to the global rise of antimicrobial resistance. Researchers call for policymakers to restrict these ingredients when there is no evidence of efficacy, reducing chemical pollution and protecting public health.
A new analysis estimates that exposure to di-2-ethylhexylphthalate (DEHP) contributed to 1.97 million preterm births in 2018, equivalent to 8% of global total. The study also linked DEHP to 74,000 newborn deaths and found a significant health burden across regions with rapidly growing plastics industries.
A new cleaning method uses tiny bubbles and sound waves to effectively clean agricultural produce. The study found that vegetables were 90% cleaner when washed with resonating bubbles compared to traditional methods.
A new paper by the University of Sydney reveals that corporations manufacturing and marketing health-harming products are primary vectors of non-communicable disease. The authors propose solutions such as policy safeguards, stronger research focus, and prohibition on financial ties between industry and researchers.
Researchers created a new method combining scientific tests and artificial intelligence to differentiate recycled plastic from new plastic. The tool, developed by University at Buffalo researchers, can analyze samples and predict the percentage of recycled content with over 97% accuracy.
A study by Frontiers in Science argues that ultra-sensitive food safety tests may drive food waste and unavailability, but not always translate to health risk. The researchers propose a more balanced approach that considers trade-offs between food safety, sustainability, and nutritional health.
Research reveals carbon monoxide poisoning from waterpipe smoking can occur after brief use, outdoor smoking, or secondhand exposure. The study identified 68 cases of acute CO poisoning, including 13 cases of polycythemia, a chronic condition caused by prolonged exposure to carbon monoxide.
The implementation of Japan's indoor smoke-free laws resulted in a modest increase in smoke-free establishments, with a 5.7% nationwide increase and 13.5% in areas with stricter ordinances. Despite this, a substantial number of establishments still permit indoor smoking due to exemptions under the current legislation.
A new study suggests that ultra-sensitive food safety tests may drive food waste and unavailability without significant public health benefits. The researchers propose using more flexible risk-based approaches to align food safety policies with sustainability goals.
A study found North Korean defectors had higher risks of infection-related cancers but lower risks of breast, colon, and prostate cancers compared to South Korean residents. Over time, their cancer profile changed, suggesting adaptation to South Korean society.
A study found insufficient sleep among US adolescents, with trends suggesting environmental and structural factors are driving the issue, rather than specific behaviors. The findings highlight the need for population-level interventions to address widespread sleep loss.
Researchers found that perfluorononanoic acid (PFNA) and perfluorooctanesulfonamide (PFOSA) accelerate biological aging in middle-aged men, with effects being strongest in this age group due to lifestyle factors. PFAS pollution has been linked to human cancers, obesity, infertility, and hormonal imbalances.
A new study published in Building and Environment shows that larger indoor greening systems can make spaces feel up to two degrees cooler and more comfortable. The analysis also highlights the importance of using the right systems, lighting, and maintenance to unlock the full potential of indoor greening.
Researchers warn that public fountains can be a breeding ground for aerosolized pollutants, posing significant risks to human health. With an estimated 30% of visitors being children, the risk of fountain-related illnesses is particularly high.
A new study has discovered microplastics in nine out of ten patients with prostate cancer, with higher levels found in tumor tissue than noncancerous tissue. The findings suggest that microplastic exposure may be a risk factor for prostate cancer.
Bacteria levels have decreased but high E. coli and staph still present near the spill site and downstream. UMD experts advise avoiding Potomac water and banks for health risks.
Researchers used advanced chemical detection to estimate a newborn's total PFAS exposure, detecting 42 confirmed or putatively identified PFAS chemicals in umbilical cord blood. The study found that infants are exposed to a wide range of PFAS before birth, including perfluorinated chemicals and fluorotelomers.
A nationwide Japanese study of 270,000 patients found that widespread mask-wearing during the pandemic significantly lowered PM2.5-associated risk of MINOCA, a non-obstructive type of heart attack. The study suggests that simple protective measures like mask use can mitigate cardiovascular risks associated with air pollution.
The Global Exposome Forum is a global initiative that aims to understand the complex interplay between biological, chemical, and environmental exposures and human health. The project has partnered with national governments, scientific institutions, and large membership-led organizations to advance exposomics science.
Researchers at the University of Michigan School of Public Health found a strong association between bone lead concentrations and increased risk of dementia. The study analyzed data from over 30 years of follow-up and estimated cumulative lifetime exposure to lead using machine learning algorithms.
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.