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Science News for April 21, 2026


Trapping light magic: MOF-derived nanoconfined hollow polyhedral photocatalyst

A novel MOF-derived nanoconfined hollow polyhedral bimetallic sulfide heterojunction exhibits enhanced light harvesting efficiency and promotes rapid tetracycline degradation, with a kinetic rate constant five times higher than pristine Ag2S. The material maintained over 90% efficiency in real water matrices.

SourceKeAi Communications Co., Ltd.·JournalGreen Energy & Environment·TypeExperimental study·DateApr 21, 2026

Pacific annular warming elevates the 2026/27 El Niño prediction

Researchers have forecasted a super El Niño event toward the end of 2026, driven by a rare and extreme surface annular warming pattern in the tropical Pacific. The current heat content buildup alone would generate a moderate El Niño, but adding the influence of annular warming intensifies it into the super category.

SourceOcean-Land-Atmosphere Research (OLAR)·JournalOcean-Land-Atmosphere Research·TypeComputational simulation/modeling·DateApr 21, 2026

Why do some people act on climate change while others stay silent?

The study found three distinct types of climate supporters: activists, anxious individuals who want to help but struggle with motivation, and hierarchy enhancers who use radical tactics for competitive reasons. Understanding these differences can inform effective communication strategies for climate movements.

SourceMurdoch University·JournalCurrent Research in Ecological and Social Psychology·TypeSurvey·DateApr 21, 2026

Cardiac CT scans see the future: Visualizing "invisible" heart risks

Researchers at Kumamoto University discovered that combining cardiac Computed Tomography (CT) scan markers can identify patients at highest risk for future heart failure and death. The 'delayed phase' scan detects localized scarring and subtle damage throughout the heart muscle, providing a synergistic view of heart health.

SourceKumamoto University·JournalEuropean Heart Journal - Cardiovascular Imaging·TypeObservational study·DateApr 21, 2026

Playing with your dog creates a stronger bond

A Linköping University study shows that playing with dogs for just a few minutes a day can significantly improve the emotional bond between owners and their pets. Dog training did not have the same effect, suggesting that playtime is crucial for building strong relationships.

SourceLinköping University·JournalRoyal Society Open Science·DateApr 21, 2026

Federal housing assistance may lead to improved two-year survival among older people with prostate cancer

New research suggests that federal housing assistance may lead to better two-year survival chances among older men with prostate cancer. The study found a 12% lower risk of death in men who received housing assistance compared to those without it.

SourceUniversity of California - Los Angeles Health Sciences·JournalJNCI Journal of the National Cancer Institute·TypeData/statistical analysis·DateApr 21, 2026

Asphalt is everywhere; but is it bad for our health?

Researchers have found that asphalt releases volatile organic compounds (VOCs) into the air, which can cause respiratory problems and even lung cancer. As pavement ages, these VOCs become more toxic and can lead to neurological damage. Scientists are working on developing less-toxic asphalt formulations using algae.

SourceArizona State University·JournalScience of The Total Environment·TypeExperimental study·DateApr 21, 2026

Early warning signs: UVM scientists offer new clues in fight against disease devastating sea star populations

Researchers detect early signs of immune and neurological disruption in sunflower sea stars before physical symptoms appear, shedding light on the mysterious disease. The study identifies Vibrio pectenicida as a driver of the disease, but notes that its direct link to genomic changes remains unclear.

SourceUniversity of Vermont·JournalProceedings of the Royal Society B Biological Sciences·TypeData/statistical analysis·DateApr 21, 2026

Fat cells’ ‘memory’ of prediabetes could make maintaining weight loss after bariatric surgery more difficult

Researchers found that women with prediabetes had persistent changes in gene expression in fat tissue after bariatric surgery, leading to impaired lipid metabolism and greater weight regain. Despite clinical improvement, these molecular alterations may reduce the ability of adipose tissue to adapt after weight loss.

New guideline provides recommendations on combining treatments for chronic insomnia

The new clinical practice guideline from the American Academy of Sleep Medicine provides evidence-based recommendations on combining behavioral-psychological and pharmacological therapies to treat chronic insomnia disorder in adults. The guideline suggests that CBT-I by itself is the most efficacious first-line treatment for insomnia, ...

SourceAmerican Academy of Sleep Medicine·JournalJournal of Clinical Sleep Medicine·TypeSystematic review·DateApr 21, 2026

Biochar and smart water management offer a new pathway to cut peatland emissions

A new study shows that combining biochar application with moderate water table management can significantly reduce greenhouse gas emissions from agricultural peat soils. Biochar consistently lowers carbon dioxide emissions and suppresses methane production, making it a promising strategy for climate mitigation.

SourceBiochar Editorial Office, Shenyang Agricultural University·JournalBiochar·TypeExperimental study·DateApr 21, 2026

Cellular neighborhoods inside tumors may predict which patients with melanoma benefit from combination immunotherapy

Researchers found that tumor genetics alone did not explain which patients responded to combination therapy, but rather the tumor's immune environment. Patients with active networks of cancer-killing T cells were more likely to benefit from treatment, while those with dense clusters of plasma cells were less likely.

Anxiety regulated by key signal in brain immune cells

Researchers identify calcium as a key chemical signal that triggers immune cells during obsessive-compulsive and anxiety-related behaviors. This discovery establishes a new framework to study how anxiety arises and persists through calcium signals in microglia, potentially leading to targeted therapies.

SourceUniversity of Utah Health·JournalMolecular Psychiatry·TypeExperimental study·DateApr 21, 2026

Mapping the hidden signals of breast cancer risk

Scientists at MUSC Hollings Cancer Center mapped the architecture of healthy breast tissue to uncover early biological changes linked to cancer risk. The study found that body weight and breast density shape the underlying structure of breast tissue, offering new clues about how cancer risk may develop long before tumors form.

SourceMedical University of South Carolina·JournalJournal of Proteome Research·TypeObservational study·DateApr 21, 2026

NYU Abu Dhabi researchers reveal how apples evolved through ongoing exchange with wild trees, offering insights for more resilient crops

Researchers have found that apples evolved through ongoing interactions with wild species, shaping key characteristics such as flavor and disease resistance. Wild apple trees remain a critical resource for developing new varieties better suited to withstand disease and climate change.

SourceNew York University·JournalCurrent Biology·TypeExperimental study·DateApr 21, 2026

HKUST develops novel ai pathology system for accurate multi-cancer diagnosis without additional model training

The research team developed a novel AI pathology analysis system named PRET that can accurately recognize multiple types of cancer using only a minimal number of samples. PRET outperformed existing methods in 20 tasks, achieving high diagnostic accuracy rates and stable generalizability across different populations and regions.

SourceHong Kong University of Science and Technology·JournalNature Cancer·TypeData/statistical analysis·DateApr 21, 2026

University of Illinois researchers develop dynamic framework to monitor tillage practices from space

A new framework uses satellite imagery and machine learning to detect tillage practices over large areas and long time periods. The approach has been used to estimate tillage percentage across the U.S. Midwest from 2000 to 2022, revealing clear differences in no-till adoption by crop and region.

University Hospitals sets new standard: First US health system with ISO 9001-certified corporate headquarters and first in Ohio with all hospitals certified

University Hospitals is the first US health system to achieve ISO 9001 certification for its corporate headquarters and the first in Ohio with all hospitals certified. The achievement demonstrates a systemwide commitment to consistency, accountability, and continuous improvement.

How a key regulatory protein guides cartilage formation during embryonic development

Researchers mapped how Sox9 guides cartilage formation in mouse embryonic limbs, finding that it dynamically targets different genes depending on developmental timing and cell type. The study provides a foundation for understanding skeletal development and may contribute to future research on bone and cartilage diseases.

SourceInstitute of Science Tokyo·JournaliScience·TypeObservational study·DateApr 21, 2026

Bamboo waste treatment method improves strength and insulation in green building composites

A mild chemical strategy enhances interfacial bonding and pore structure in biomass-based magnesium cement materials, leading to improved mechanical strength and thermal insulation. The approach promotes more uniform pore distribution, stabilizes the foam structure within the composite, and reduces environmental burden.

SourceJournal of Bioresources and Bioproducts·JournalJournal of Bioresources and Bioproducts·TypeExperimental study·DateApr 21, 2026

To improve social and political dialogue, tell people what you're against

A study of nearly 6,000 people found that when people are presented with viewpoints they disagree with in a pro-support frame, they tend to be less open to the idea. However, when framed in oppositional terms, they are more likely to engage. Researchers suggest changing argument framing can help improve dialogue.

SourceUniversity of Toronto, Rotman School of Management·JournalJournal of Personality and Social Psychology·TypeExperimental study·DateApr 21, 2026

More immune protection, less dominance: a new phase in the corona-development?

A new phase in the corona-development has been identified, with recent SARS-CoV-2 variants spreading less rapidly worldwide and BA.3.2 infecting young children more frequently than other strains. This suggests that global immunity from vaccination and infections may be making it harder for new variants to spread.

SourceDeutsches Primatenzentrum (DPZ)/German Primate Center·JournalThe Lancet Infectious Diseases·TypeCommentary/editorial·DateApr 21, 2026

Teachers warn of changes in pupils' attention and thinking when learning with screens

A study by Universitat Oberta de Catalunya found that digital platformization leads to a fragmentation of pupils' knowledge, alterations in socio-cognitive conditions, and disruptions in learning times. Teachers report concerns about superficial reading, interrupted didactic continuity, and reduced students' personal involvement.

SourceUniversitat Oberta de Catalunya (UOC)·JournalDigital Education Review·DateApr 21, 2026

Redo surgical mitral valve replacement shows long-term survival advantage over transcatheter valve-in-valve

A new multicenter study finds that reoperative surgical mitral valve replacement demonstrates significant long-term survival benefits over transcatheter mitral valve-in-valve procedures in patients with failing bioprosthetic valves. At five years, rSMVR patients had lower mortality and more favorable valve performance.

SourceThe Society of Thoracic Surgeons·JournalThe Annals of Thoracic Surgery·DateApr 21, 2026

Targeting the yin and yang of macrophages to strengthen cancer vaccines and anti-tumor immunity

A study by Geisel School of Medicine researchers identifies specific macrophage populations that help coordinate anti-tumor immunity, while others support tumor growth. By selectively targeting these immune programs, cancer treatments may be improved without eliminating entire immune cell populations.

SourceThe Geisel School of Medicine at Dartmouth·JournalNature Immunology·TypeExperimental study·DateApr 21, 2026

A snapshot of transhumance in Spain: a diverse group of shepherds facing shared challenges

A study on Spanish transhumance identifies three distinct types of systems, aligned with agroecological principles, offering insights into sustainable livestock farming. The findings highlight the need for greater political support and a regulatory framework to protect this ancient practice.

SourceUniversity of Córdoba·JournalSustainability Science Practice and Policy·TypeObservational study·DateApr 21, 2026

Global Virus Network on measles resurgence

Measles outbreaks are accelerating globally, with declining vaccination rates and gaps in routine immunization coverage contributing to the resurgence. The disease can cause serious complications, including pneumonia, encephalitis, and death, particularly in young children and immunocompromised individuals.

Repurposing SGLT2 inhibitors for cirrhotic ascites: from mechanistic research to clinical exploration

SGLT2 inhibitors reduce proximal tubular sodium reabsorption by suppressing NHE3 via the SGLT2-MAP17-NHE3 microdomain. This effect is context-dependent, with distal compensation (NCC upregulation) possible. Clinical evidence shows reduced ascites, fewer paracenteses, and improved natriuresis.

SourceXia & He Publishing Inc.·JournalJournal of Clinical and Translational Hepatology·DateApr 21, 2026

CNIC scientists identify a biomarker that improves risk prediction in a severe form of heart failure

Researchers discovered a biomarker that can predict disease progression and mortality in patients with severe heart failure. Mid-regional pro-adrenomedullin (MR-proADM) levels are associated with greater disease severity, mortality, and heart failure events.

SourceCentro Nacional de Investigaciones Cardiovasculares Carlos III (F.S.P.)·JournalCirculation·TypeRandomized controlled/clinical trial·DateApr 21, 2026

New research reveals cell proteins that drive severe viral infections

Researchers at Umeå University have identified NUP98 and NUP153 as key host factors in orthoflavivirus infection, which replicates in the cytosol of human cells. The proteins play a crucial role in viral replication and protein production, and their interaction with viral RNA regulates structural and non-structural protein ratios.

SourceUmea University·JournalNature Communications·TypeExperimental study·DateApr 21, 2026

New insights into cardiovascular disease in women from the Framingham Heart Study

The study found that women's cardiovascular disease is biologically different from men's, with greater sensitivity to cumulative risk exposure and more severe downstream consequences. Researchers emphasize the need for continued investment in CVD research to address sex-specific disease mechanisms and life-course risk accumulation.

SourceBoston University School of Medicine·JournalJACC Advances·TypeLiterature review·DateApr 21, 2026

Study finds high school journalism leading the way in financial literacy, even if business isn't part of curriculum

A study by the University of Kansas found that high school journalists learn business skills through practice and experiential learning, even if business concepts are not directly addressed. Student media advisers reported financial pressures and stressed the need for improved financial literacy education.

SourceUniversity of Kansas·JournalJournalism & Mass Communication Educator·TypeSurvey·DateApr 21, 2026

VHIO-led study links epigenetic changes caused by diet, tobacco, and pesticide exposure to the development of colorectal cancer in people younger than 50 years of age

A VHIO-led study identifies epigenetic changes caused by diet, tobacco, and pesticide exposure as risk factors for early-onset colorectal cancer. The study, published in Nature Medicine, confirms the influence of lifestyle and environmental exposures on cancer development in younger patients.

SourceVall d'Hebron Institute of Oncology·JournalNature Medicine·DateApr 21, 2026

Nature-inspired hybrid materials boosts therapeutic protein production tenfold and supports tissue repair via microscale engineering

Researchers develop a nature-inspired hybrid material that produces high-quality therapeutic proteins with nearly tenfold higher efficiency than traditional methods. The material's unique design enables it to adapt to different environments, alleviating hypoxic stress and activating cellular functions.

SourceScience China Press·JournalNational Science Review·TypeExperimental study·DateApr 21, 2026

Research shows evidence of potential therapeutic strategy for Alzheimer’s disease

Researchers at University of Galway discovered a new therapeutic approach to combat Alzheimer's disease. They found that stimulating the brain's efficiency and balance may help alleviate cognitive decline and memory impairment. By blocking the activity of GABA receptors, they can reverse Alzheimer-like effects and improve cognitive per...

SourceUniversity of Galway·JournalNeuropharmacology·TypeExperimental study·DateApr 21, 2026

Mechanohealth: Where life science meets physical forces for health innovation

Researchers are unlocking secrets of Mechanohealth, a new paradigm focusing on maintaining the body's natural mechanical balance to prevent and treat disease. Studies have shown that macrophage mechanics directly determine anti-tumor activity and fibrosis can be reversed by disrupting key mechanical feedback loops.

SourceShanghai Jiao Tong University Journal Center·JournalMechanobiology in Medicine·TypeNews article·DateApr 21, 2026

Can a deaf person's brain turn silence into vision?

Researchers found that a deaf person's brain can reorganize sensory systems through selective deactivation, not just increased activation. The auditory cortex in deaf individuals responds to visual stimuli with organized deactivations, representing visual spatial features.

SourceBIAL Foundation·JournalHuman Brain Mapping·TypeImaging analysis·DateApr 21, 2026

World’s largest great ape cognition dataset offers new insights on human intelligence evolution

The EVApeCognition Dataset is the largest and most comprehensive collection of experimental studies of great apes' cognition and behavior available globally. Researchers compiled over 262 experimental datasets from 150 publications, enabling unprecedented examination of how great apes think, learn, and understand their environment.

SourceUniversity of Stirling·JournalScientific Data·TypeData/statistical analysis·DateApr 21, 2026

Hot spring microbiomes could transform industrial CO2 waste into valuable products, Manchester researchers find

Researchers at the University of Manchester have found that terrestrial hot spring microbiomes can transform industrial CO2 waste into biomass and other valuable compounds. This discovery could enable the production of value-added products directly from CO2-rich waste streams, reducing emissions while generating economic value.

SourceUniversity of Manchester·JournalEnvironmental Microbiome·DateApr 21, 2026

How immune cell networks drive liver disease

A study published in Nature Communications reveals how immune cell networks contribute to liver damage and fibrosis. The research team identified a key interaction between dendritic cells and γδ T cells, triggering pro-inflammatory signals that amplify inflammation.

SourceUniversity of Würzburg·JournalNature Communications·TypeExperimental study·DateApr 21, 2026

Use of psychotropics increases already in the early stages of Parkinson’s disease

A recent study from the University of Eastern Finland found that people with Parkinson's disease are using psychotropics more frequently than controls, even before diagnosis. The use of psychotropic medications increases as the disease progresses, reflecting emerging non-motor symptoms and worsening disease progression.

SourceUniversity of Eastern Finland·JournalBritish Journal of Clinical Pharmacology·DateApr 21, 2026

Frequency instant jump via magnetic vibration... Reduces heat even during gaming

Researchers at KAIST developed a new technology using spin waves to process signals, reducing heat generation and power consumption. This breakthrough enables instantaneous frequency switching and is expected to pave the way for smart devices with less heat and longer battery life.

SourceThe Korea Advanced Institute of Science and Technology (KAIST)·JournalNature Communications·TypeMeta-analysis·DateApr 21, 2026

Chinese Medical Journal article review explores artificial intelligence in heart failure management

A recent review highlights how AI enables precision treatment, continuous monitoring and individualized prognostic modeling for heart failure patients. AI integrates large-scale structured electronic health records and multimodal imaging to characterize cardiac structure and function, enhancing diagnostic accuracy.

SourceChinese Medical Journals Publishing House Co., Ltd.·JournalChinese Medical Journal·TypeLiterature review·DateApr 21, 2026

Relatively simple habitat management can help protect the genetic diversity of animal populations, Ben-Gurion University research team determines

Researchers at Ben-Gurion University found that altering water source distribution in a desert ecosystem improved mating structure and increased genetic diversity in wild populations. By establishing more territories for reproducing males, changes in resource management boosted population's variance effective population size.

SourceBen-Gurion University of the Negev·JournalEcological Applications·TypeExperimental study·DateApr 21, 2026

From classroom to Mars: European students return from six-day analog space mission

Nine European high school students completed a six-day simulated Mars mission in Portugal, operating rovers and conducting scientific experiments. The EXPLORE-2 mission aimed to develop young Europeans' STEM skills and team management capabilities, with participants designing their own mission plans and making operational decisions.

Covid snacking habits and their consequences

A Japanese study examines the long-term effects of COVID-19 lockdowns on individuals with glucose intolerance, revealing a clear divergence in clinical trajectories among those who worsened and improved. Flexible lifestyle adaptation is crucial for restoring metabolic health, suggesting personalized support may improve glycemic control.

SourceKyoto University·JournalJournal of Diabetes Investigation·TypeObservational study·DateApr 21, 2026

Immune checkpoint inhibitor–induced liver injury: a critical appraisal of treatment and rechallenge controversies

Guideline recommendations for immune checkpoint inhibitor-induced liver injury (ICILI) vary, with corticosteroids and biopsy indications differing among organizations. Rechallenge after ICILI is feasible in selected patients, with low recurrence rates, but standardized algorithms are needed.

SourceXia & He Publishing Inc.·JournalJournal of Clinical and Translational Hepatology·DateApr 21, 2026

Extrahepatic autoimmune diseases in autoimmune hepatitis: their prevalence, predictors, and influence on early treatment outcomes

A study of 371 patients with autoimmune hepatitis (AIH) found that extrahepatic autoimmune diseases (EADs) are common, particularly Sjogren's syndrome and autoimmune thyroid disease. Patients with EADs had a poorer early treatment response but achieved comparable outcomes after six months.

SourceXia & He Publishing Inc.·JournalJournal of Clinical and Translational Hepatology·DateApr 21, 2026

Study shows links between Alzheimer’s and gut health can lead to prevention

A new study by the University of Technology Sydney and Massachusetts General Hospital/Harvard Medical School found that dietary patterns and a history of appendix removal are strongly associated with Alzheimer's risk. The research suggests that a healthy gut microbiome plays a crucial role in protecting the brain from neurodegeneration.

SourceUniversity of Technology Sydney·JournalAlzheimer s & Dementia Diagnosis Assessment & Disease Monitoring·TypeData/statistical analysis·DateApr 21, 2026

Chaos in the heart and brain

Researchers at Kyoto University found that chaotic component of heartbeat variability is sensitive to cognitive brain activity, providing a new indicator of brain-heart interaction. Chaos-based measures revealed clear and reproducible changes associated with task engagement, contrasting with conventional HRV indices.

SourceKyoto University·JournalScientific Reports·TypeExperimental study·DateApr 21, 2026

NTU Singapore and Max Planck Society establish first Max Planck Centres in Southeast Asia to advance research in data-driven chemistry; relationship between culture and biology

The new centres will focus on studying the complex relationship between culture, biology, and technology, aiming to accelerate discovery of new medicines and materials. Researchers from NTU, MPG, and Singapore institutions will collaborate on interdisciplinary projects.

JMIR report: Can remote monitoring fix hospital overcrowding?

The article highlights how advances in remote monitoring and portable medical technology are dismantling traditional hospital walls. Hospital-at-Home programs offer a scalable solution to acute care delivery, resulting in lower costs, reduced readmission rates, and improved patient outcomes.

SourceJMIR Publications·JournalJournal of Medical Internet Research·TypeCommentary/editorial·DateApr 21, 2026

Toddlers’ pretend play ability linked to better mental health

A new study by the University of Sydney found that toddlers' pretend play ability is significantly associated with fewer emotional and behavioral difficulties at primary school. The researchers analyzed data from over 1400 Australian children and found that stronger pretend play ability among two- to three-year-olds was linked to bette...

SourceUniversity of Sydney·JournalEarly Childhood Education Journal·TypeMeta-analysis·DateApr 21, 2026

New health data-based models help identify heart disease risk earlier

Researchers developed two heart failure risk assessment models using large international health databases, enabling early detection of the disease. The SCORE2-HF model estimates up to 30-year risk of heart failure in the general population, while the SMART2-HF model assesses risk for people with a history of cardiovascular disease.

SourceEstonian Research Council·JournalEuropean Heart Journal·TypeData/statistical analysis·DateApr 21, 2026

Pill bugs don't just use the minerals they eat—they rebuild them inside their bodies

Researchers found that pill bugs do not simply incorporate ingested CaCO3 minerals as building blocks. Instead, they actively restructure CaCO3 within their bodies to form their tergite cuticles. This study highlights the biological control underlying mineral formation and provides new insights into biomineralization mechanisms.

SourceUniversity of Tsukuba·JournalJournal of Structural Biology·DateApr 21, 2026

Construction, control, and application of cyborg animal composed of biological and electromechanical systems

Researchers have developed cyborg animals that integrate machine and biological intelligence, enabling them to execute human commands while retaining natural advantages. Key findings include advancements in control paradigms, miniaturized electronic backpacks, and self-sustaining energy harvesting technologies.

SourceBeijing Institute of Technology Press Co., Ltd·JournalCyborg and Bionic Systems·DateApr 21, 2026

Improving scientific accuracy in journalism

Researchers created a video to educate journalists on key elements of reporting scientific studies, resulting in more accurate headlines. The study found that journalists who watched the video were 64% more likely to write accurate headlines than those who did not.

SourcePNAS Nexus·JournalPNAS Nexus·DateApr 21, 2026

The edge of the Milky Way's star-forming disc revealed

Astronomers have identified the edge of the Milky Way's star-forming disc for the first time, finding that most star formation happens within 40,000 light-years of the Galactic Center. This discovery uses a new approach combining star ages with galaxy simulations to pinpoint the boundary.

SourceUniversity of Malta·JournalAstronomy and Astrophysics·TypeData/statistical analysis·DateApr 21, 2026

Extreme climate events increase heart disease risk, new study reveals

A new study reveals a strong link between extreme climate events and the incidence of heart disease among middle-aged and older adults in 157 Chinese cities. Exposure to extreme heat, cold, and precipitation increases the risk of cardiovascular disease, with higher BMI-related risks associated with temperature intensity and cold-induce...

SourceElsevier·JournalAmerican Journal of Preventive Medicine·TypeData/statistical analysis·DateApr 21, 2026

Creating a wireless tissue-aware medical device network in the human body

A research group developed an optimized signal transmission system for implantable medical devices, improving accuracy and strength of wireless signals. The approach uses ultra-wideband communication to coordinate multiple implants and reduce signal distortion, enabling more effective healthcare applications.

SourceOsaka Metropolitan University·JournalScientific Reports·TypeComputational simulation/modeling·DateApr 21, 2026

US companies selling lead paint and pigments abroad

A new study reveals that over 90% of lead paints sold in Mexico contain hazardous lead chromate pigments, which dominate the market. The widespread use of these pigments poses serious health consequences for children and workers, with alarming levels of blood lead found in Mexican children.

SourceOK International·JournalAnnals of Work Exposures and Health·TypeExperimental study·DateApr 21, 2026