2Atmospheric Chemistry Department, Max Planck Institute for Chemistry, Mainz, Germany
3Molecular Pharmacology, Albert Einstein College of Medicine, New York, United States
4Center for Research in Environmental Epidemiology (CREAL), Barcelona, Spain
5Global Observatory on Planetary Health, Boston College, USA and Centre Scientifique de Monaco, Massachusetts, United States
Abstract
Healthy soils and clean water are essential for human survival, yet, both are increasingly compromised by chemical and plastic pollution. This preventable crisis causes an estimated 9 million premature deaths each year, including about 0.9 million linked to soil pollution and 1.3 million to water pollution. In 2019 alone, pollution contributed to 5.5 million cardiovascular deaths, underscoring its role in the global burden of non-communicable disease. A key underrecognized driver is the rapid rise in plastic production and plastic-associated chemicals. Global plastic output has increased more than 250-fold since 1950 and is projected to nearly triple by 2060, while less than 10% is effectively recycled. As highlighted by the Lancet Countdown on health and plastics, plastics threaten human health across their lifecycle, from fossil fuel extraction to waste, fragmentation, and environmental persistence. Soils and water systems are increasingly contaminated by heavy metals, pesticides, persistent synthetic chemicals, and micro- and nanoplastics. These pollutants degrade soil, reduce agricultural productivity, contaminate food chains, and spread through aquatic ecosystems, thereby amplifying disease risk. Micro- and nanoplastics have been detected in human blood, placenta, brain, and cardiovascular tissues, raising concern about biological effects. These exposures are drivers of cardiovascular disease. Despite their chemical diversity, they converge on shared mechanisms, including oxidative stress, inflammation, endocrine disruption, and circadian dysregulation. Their persistence reflects policy failure. Reducing soil, water, and plastic pollution must become a central pillar of cardiovascular prevention through enforceable, lifecycle-based policies that protect human health.
#These authors contributed equally and should be considered as joint first and joint last authors.
Highlights
- Chemical and plastic pollution causes an estimated 9 million deaths per year,
- Global plastic output is projected to tiple by 2060 based on the actual levels.
Introduction
Healthy soils and clean water are fundamental to human health and planetary stability. Soil, often overlooked in medicine, underpins food production, ecosystem integrity, water regulation, and carbon storage, thereby mitigating climate change. Yet, soil degradation already threatens the health and livelihoods of 3.2 billion people worldwide;
Pollution of soil, water, and air is a major and escalating global health threat.
An emerging and insufficiently addressed dimension is plastic pollution. As highlighted by the Lancet Countdown on health and plastics, plastic production has increased more than 250-fold since 1950, with profound health risks across its lifecycle, from fossil fuel extraction to waste accumulation. Micro- and nanoplastics, now detected in human tissues,
Notably, ~70% of pollution-related diseases are non-communicable, with cardiovascular diseases accounting for more than 60% of this burden.
Soil and water pollution, though less visible than air pollution, involves complex mixtures of heavy metals, pesticides, synthetic chemicals, pathogens, and plastic waste originating from industry, agriculture, fossil fuels, and urbanization. More than 90% of pollution-related disease and deaths occur in low- and middle-income countries
This review examines the links between soil and water pollution and human health, with a focus on cardiovascular disease.
Soil and Water: The Living Foundations of Health and Survival
Healthy soil and water are foundational to human health, food security, and ecosystem stability. Soil underpins nearly 95% of global food production and provides about 78% of per capita caloric intake directly from crops, with an additional 20% derived from land-based systems dependent on soil. Beyond food, soil supplies essential nutrients, filters water, and supports biodiversity critical for nutrient cycling, carbon storage, and disease regulation. It is also the second-largest active carbon sink after the oceans and provides materials for infrastructure, fuel, and fiber. However, soil health is increasingly threatened by pollution, including heavy metals, pesticides, and macro- and microplastics, as well as by deforestation and overfertilization.
Oceans, covering more than 70% of Earth’s surface and containing 97% of its water, are equally vital. They regulate climate by absorbing 90% of excess heat and about one-third of carbon dioxide emissions,
Despite their importance, oceans are increasingly threatened by climate change, acidification, biodiversity loss, and pollution.
Chemical Contamination of Soil and Water: Shared Molecular Pathways Driving Cardiovascular Disease
Chemical Contamination as a Systemic Health Hazard
Contamination of soil and water is a major but often underestimated determinant of human health. According to a WHO assessment, exposure to selected chemicals caused an estimated 2 million deaths and 53 million DALYs in 2019, exceeding the previous estimate of 1.6 million deaths and 45 million DALYs in 2016.
Shared Molecular Pathways of Toxicity
Despite their diverse chemical structures, many pollutants act through a limited number of shared pathophysiological pathways, most prominently oxidative stress, inflammation, metabolic dysregulation, endothelial dysfunction, and circadian disruption (
From Oxidative Stress to Vascular Injury
A central consequence of pollutant-induced ROS generation is vascular dysfunction. Oxidative depletion of tetrahydrobiopterin and S-glutathionylation of endothelial nitric oxide synthase (eNOS) can render the enzyme inactive or uncoupled, thereby reducing nitric oxide bioavailability and worsening endothelial dysfunction.
ROS also activate inflammatory signaling cascades.
Taken together, oxidative stress and inflammation represent the major mechanistic bridge between pollutant exposure and cardiovascular injury, as emphasized by previous reviews
Chemical Pollutants and Their Disease Burden
Broad Health Effects Beyond the Cardiovascular System
Chemical contaminants in soil and water can be broadly divided into inorganic pollutants, such as metals and metalloids, and organic pollutants, such as persistent industrial chemicals and pesticides. Both groups have major implications for human health.
Arsenic, cadmium, lead, and mercury are associated with cardiovascular disease, neurodevelopmental injury, and cancer.
Metals as Cardiovascular Toxicants
Exposure to toxic metals such as arsenic, lead, cadmium, mercury, and copper has become a major public-health issue.
Pesticides and Endocrine-Disrupting Chemicals
Organophosphate insecticides such as malathion, chlorpyrifos, diazinon, and parathion are designed to inhibit acetylcholinesterase and primarily target the nervous system. Yet, their adverse effects extend beyond neurotoxicity. Persistent organochlorines such as dichlorodiphenyltrichloroethane (DDT), chlorinated industrial chemicals such as PCBs, dioxins, PFAS, and related compounds remain important due to persistence, bioaccumulation, and endocrine disruption. The Stockholm Convention banned many persistent organic pollutants,
Dioxins are particularly toxic and have been associated with insulin resistance and type 2 diabetes.
Cardiovascular Disease as a Sentinal Outcome of Chemical Exposure Hidden Cardiotoxins in the Modern Chemical Era
A major concern is that known hazards likely represent only the tip of the iceberg. More than 300,000 synthetic chemicals have been introduced over the past decades, and many remain inadequately tested for cardiovascular toxicity.
Epidemiological Evidence: Metals
Evidence linking metals to cardiovascular disease is extensive (
Cadmium exposure has been associated with coronary artery disease, peripheral arterial disease, atherosclerosis, stroke, and cardiovascular mortality.
Mercury exposure has been linked to reduced heart rate variability, hypertension, carotid thickening, accelerated atherosclerosis, myocardial infarction, and cardiovascular mortality.
Epidemiological Evidence: Pesticides, Plastics, and Endocrine Disruptors
A growing number of epidemiological studies implicate BPA and related plastic chemicals in cardiovascular disease (
Additionally, PCBs, dioxins, and organophosphates were also associated with cardiac toxicity in epidemiological studies. Acute poisoning by organophosphates can cause profound cardiac toxicity, including bradycardia, ST-segment elevation, conduction abnormalities, QT prolongation, torsade de pointes, and ventricular arrhythmias.
Summary Perspective
Chemical contamination of soil and water is not only an environmental problem but a major cardiovascular threat. Heavy metals, pesticides, persistent organic pollutants, and endocrine-disrupting chemicals act through shared mechanisms, especially oxidative stress, inflammation, endothelial dysfunction, and circadian disruption, to drive vascular injury and chronic disease. Although the evidence base is strongest for lead, cadmium, arsenic, mercury, BPA, PFAS, dioxins, and related compounds, many additional cardiotoxic chemicals likely remain unidentified. The burden is therefore likely underestimated, particularly in regions with weak regulation and high cumulative exposure.
Micro- and Nanoplastics as Emerging Soil and Water Contaminants
A Rapidly Expanding Pollution Problem
Plastic production has increased dramatically over the past decades, from less than 2 million tons in 1950 to about 460 million tons today, with roughly half of all plastic ever produced manufactured since 2002. Without major policy change, production is projected to double by 2040 and triple by 2060, with especially steep growth expected in low- and middle-income countries.
These particles are now classified according to size as plastic nanoparticles (≤100 nm), nanoplastics (100-1000 nm), microplastics (1 μm to <1000 μm), mesoplastics, macroplastics, and megaplastics.
Mechanisms of Micro- and Nanoplastic Toxicity
Micro- and nanoplastics are not inert particles. At high concentrations, they are directly cytotoxic and can induce cell death through necrosis or regulated pathways.
A recurring feature of particle toxicity is the induction of cellular stress. Experimental studies have shown activation of stress pathways such as adenosine monophosphate (AMP)-activated protein kinase in exposed organisms.
These particles also activate innate immune pathways. Damage-associated molecular patterns generated by cellular injury can stimulate Toll-like receptor signaling, resulting in sterile inflammation even in the absence of infection.
Plastic Particles as Carriers of Chemical Toxicity
An additional concern is that plastic particles are not only toxic in themselves but also function as carriers for a wide variety of hazardous chemicals. Approximately half of the weight of many manufactured plastics consists of additives, including phthalates, bisphenols, flame retardants, PFAS, PCBs, and heavy metals. These compounds are added to impart flexibility, durability, color, fire resistance, or water repellence, but many are carcinogenic, endocrine-disrupting, neurotoxic, or metabolically harmful. Because many additives are not covalently bound to the polymer matrix, they can leach from plastic particles into the surrounding environment or directly into biological tissues. Thus, micro- and nanoplastics act as mobile vectors for chemical exposure, potentially amplifying toxicity through combined particle and chemical effects.
Cardiovascular Effects of Micro- and Nanoplastics
Although human data remain limited, experimental evidence suggests that micro- and nanoplastics can adversely affect the cardiovascular system through several mechanisms. In vitro studies show that nanoplastics can induce premature endothelial senescence through upregulation of p53, p21, and p16, all key mediators of cell-cycle arrest and vascular aging.
Animal studies support these observations. In mice, ingestion of polystyrene beads increased adiposity and promoted cardiometabolic disease.
Taken together, these data suggest that micro- and nanoplastics can damage the cardiovascular system at multiple levels: by impairing endothelial function, promoting oxidative stress and inflammation, activating inflammasome signaling, accelerating vascular aging, and enhancing thrombosis. In mechanistic terms, they resemble a hybrid toxic exposure, part particle, part chemical mixture, part inflammatory trigger.
Human Exposure and Translational Relevance
Direct evidence in humans is still emerging, but recent findings are troubling. Micro- and nanoplastics have now been detected in human blood,
Environmental Drivers of Soil and Water Degradation
Deforestation and Ecosystem Disruption
Deforestation, the large-scale removal of forests, is a major driver of environmental degradation with far-reaching implications for climate, biodiversity, and human health. It is primarily driven by agricultural expansion, logging, mining, and urbanization. Forests play a critical role in carbon sequestration, and their removal releases large amounts of stored carbon dioxide, thereby accelerating climate change. In addition, deforestation disrupts hydrological cycles, altering rainfall patterns and increasing the risk of both droughts and floods.
The ecological consequences are profound. Forest loss leads to biodiversity decline, threatening ecosystem services such as pollination, pest regulation, and soil fertility. These disruptions have direct implications for food security and agricultural productivity. Indigenous and local communities, particularly in regions such as the Amazon and Central Africa, are disproportionately affected, often facing displacement, loss of livelihoods, and erosion of cultural identity.
Although deforestation may yield short-term economic benefits through timber extraction and agricultural expansion, it undermines long-term ecosystem services, including water purification, soil stability, and climate regulation.
Wildfires, particularly in South America, further amplify these effects. The Amazon region, which contains approximately 21% of the world’s remaining forests, is increasingly affected by fires linked to deforestation and land degradation.
Deforestation also has direct health consequences. Biomass burning releases particulate matter and toxic gases, contributing to cardiovascular and respiratory disease. Moreover, increased human–wildlife contact raises the risk of zoonotic disease transmission, including Ebola and vector-borne diseases such as malaria and dengue.
Airborne Dust and Soil-Derived Particles
Airborne soil particles represent an underappreciated pathway linking soil degradation to human health. Agricultural activities, construction, and unpaved surfaces release dust into the atmosphere, while natural sources, particularly desert regions, generate large quantities of wind-blown (aeolian) dust. The “dust belt” extending from North Africa through the Middle East to Central Asia is the largest global source,
Although often considered “natural,” a substantial proportion of dust emissions is influenced by human activity, including land degradation and desertification. The relative contribution of anthropogenic sources varies geographically, ranging from ~8% in North Africa to ~75% in Australia.
Health impacts are significant. Assuming similar toxicity to urban particulate matter, desert dust contributes to approximately 1.8% of global cardiopulmonary mortality, rising to 15%-50% in regions close to major dust sources.
Mechanistically, inhaled dust particles induce oxidative stress and inflammation in the respiratory system, damaging the air–blood barrier.
Epidemiological evidence supports these findings. Dust exposure has been associated with acute myocardial infarction,
Overfertilization and Nitrogen Cycle Disruption
Human activities have profoundly altered the global nitrogen cycle, primarily through synthetic fertilizer production (Haber–Bosch process), livestock farming, and fossil fuel combustion.
Overfertilization results in eutrophication of soils and water bodies, groundwater contamination with nitrates, and atmospheric release of ammonia (NH3). Ammonia contributes to the formation of fine particulate matter (PM2.5) by reacting with sulfur and nitrogen oxides, particularly in regions with intensive agriculture. In Europe, East Asia, and parts of North America, agricultural ammonia emissions contribute substantially to PM2.5-related mortality, estimated at 20%-40%.
Excess nitrogen also leads to acidification, biodiversity loss, and emission of nitrous oxide (N2O), a potent greenhouse gas that contributes to climate change and stratospheric ozone depletion.
At the individual level, elevated nitrate and nitrite levels have been linked to cardiovascular mortality. Studies show that increased serum nitric oxides (NOx) concentrations are associated with a higher risk of cardiovascular death.
Urban Design and Environmental Exposure
Urbanization is a defining feature of the modern exposome. Currently, 55% of the global population lives in cities, a proportion projected to reach 68% by 2050, with the majority residing in low- and middle-income countries.
Unhealthy city design contributes to pollution through traffic emissions, industrial activity, and inadequate waste management.
The lack of green spaces exacerbates these risks. Vegetation improves air quality, reduces heat, and supports mental health, yet many urban areas remain heavily built-up with limited greenery.
Urban heat islands, caused by heat absorption from buildings and asphalt—further increase cardiovascular risk, particularly during heatwaves.
Urban runoff carries pollutants, including microplastics and PFAS, into water systems.
Sustainable urban planning, emphasizing green spaces, active transport, public transit, and pollution control, is therefore a critical strategy for reducing environmental health risks.
Climate Change as a Cross-Cutting Driver
Climate change acts as a multiplier of environmental risks, affecting soil, water, and air quality simultaneously. Soils are a major carbon reservoir, storing more carbon than the atmosphere,
Rising temperatures and extreme weather events mobilize pollutants, increase water contamination, and promote the spread of pathogens. Floods can redistribute contaminants, while droughts concentrate pollutants in water sources.
Climate change also affects air quality. Higher temperatures promote the formation of ozone and secondary particulate matter, while drought conditions increase dust emissions and wildfire frequency.
Heat itself is a major cardiovascular stressor. Non-optimal temperatures contribute to more than 7.6% of cardiovascular deaths in Europe.
Urban populations are particularly vulnerable due to heat island effects, high pollution levels, and limited adaptive capacity.
Key Concept
Deforestation, airborne dust, overfertilization, urbanization, and climate change are interconnected drivers of soil and water degradation. Through shared pathways—including oxidative stress, inflammation, and ecosystem disruption—these environmental changes contribute substantially to cardiovascular disease and global health risk.
Current Gaps and Future Priorities
Despite growing recognition of environmental pollution as a major driver of cardiovascular disease, substantial knowledge gaps remain. Human exposure levels across different environmental compartments, soil and water, are still incompletely characterized, particularly for complex mixtures of pollutants. Dose–response relationships are often poorly defined, especially at low, chronic exposure levels that are most relevant for the general population. Moreover, while epidemiological evidence is robust for some exposures such as air pollution and toxic metals, it remains limited or heterogeneous for many other environmental contaminants and combined exposures.
A major limitation is that much of the current evidence base derives from experimental models, including cellular systems and animal studies, rather than large-scale human investigations. However, these studies consistently point toward a convergence of biological effects across diverse pollutants. Key mechanisms include oxidative stress, endothelial dysfunction, inflammation, metabolic dysregulation, pyroptosis, fibrosis, and prothrombotic signaling. The remarkable consistency of these pathways across different environmental stressors strongly supports their biological relevance and argues against considering any single pollutant in isolation.
Future research must move beyond single-exposure paradigms and address the complexity of real-world conditions. Priorities include:
Importantly, the absence of complete scientific certainty should not delay action. The history of environmental health repeatedly demonstrates that waiting for definitive causal proof at the population level can result in substantial and preventable disease burden. A precautionary approach is therefore warranted.
Key Concept
Environmental pollutants in soil and water, ranging from metals and pesticides to persistent synthetic chemicals and complex mixtures, act through shared biological pathways, including oxidative stress, inflammation, endothelial dysfunction, vascular aging, fibrosis, and thrombosis. These mechanisms provide a unifying framework linking environmental exposure to cardiovascular disease. Given their global prevalence, persistence, and capacity to interact within the human exposome, these pollutants represent a major, yet still under-recognized, modifiable cardiovascular risk factor.
Interconnected Pathways: Soil-Water-Air Tranasfer and The Exposome
Environmental Compartments are Not Isolated
Soil, water, and air are tightly interconnected environmental compartments that continuously exchange pollutants. Contaminants released into soil rarely remain confined; instead, they are mobilized through leaching, runoff, volatilization, and resuspension, thereby entering aquatic systems and the atmosphere. This dynamic exchange creates a complex and evolving mixture of exposures that shape the human exposome across the life course.
Agricultural practices represent a major pathway for such transfer. Pesticides, fertilizers, and industrial contaminants accumulate in soil and are transported into rivers, lakes, and groundwater through rainfall and irrigation. Similarly, contaminated sediments can release pollutants back into water systems under changing environmental conditions, prolonging exposure. Industrial emissions deposited onto soil surfaces can later be resuspended into the air as particulate matter, contributing to inhalational exposure.
This continuous cycling of pollutants implies that exposure assessment based on a single environmental medium is inherently incomplete. Instead, individuals are exposed to mixtures of pollutants across multiple pathways: ingestion (food and water), inhalation (airborne particles), and dermal contact, often simultaneously and chronically.
The Exposome Framework: from Single Pollutants to Mixtures
The concept of the exposome provides a useful framework to understand these complex interactions. It captures the totality of environmental exposures across the lifespan, integrating chemical, physical, and biological stressors with social and behavioral determinants. Soil and water pollution are therefore not isolated phenomena but integral components of a broader environmental risk architecture that includes air pollution, noise, heat, and light exposure.
Importantly, co-exposure is the rule rather than the exception. Individuals living in urban or industrialized environments are often exposed simultaneously to heavy metals, endocrine-disrupting chemicals, microplastics, air pollutants, and non-chemical stressors. These combined exposures may interact in additive, synergistic, or even antagonistic ways, complicating risk assessment and potentially amplifying health effects.
Recent epidemiological and experimental studies increasingly support the concept that mixtures of pollutants exert stronger biological effects than individual exposures. For example, combined exposure to metals and air pollution has been associated with enhanced oxidative stress and vascular dysfunction, suggesting convergence on shared mechanistic pathways.
Shared Biological Pathways Across Environmental Stressors
A striking feature of environmental risk factors is the convergence of biological mechanisms across seemingly unrelated exposures. Whether triggered by chemical pollutants, particulate matter, noise, or psychosocial stress, a limited set of core pathways appears to mediate disease development.
Central among these are oxidative stress, inflammation, endothelial dysfunction, autonomic imbalance, and activation of the hypothalamic–pituitary–adrenal axis. Increased sympathetic activity and stress hormone release can further amplify vascular injury and metabolic dysregulation. These processes lead to impaired nitric oxide signaling, increased vascular tone, prothrombotic states, and structural vascular changes.
Circadian disruption represents another unifying mechanism. Environmental exposures, including heavy metals, endocrine disruptors, and artificial light, can interfere with circadian gene expression and biological rhythms, thereby affecting metabolism, blood pressure regulation, and inflammatory responses.
The convergence of these pathways supports the concept of a “final common pathway” of environmental cardiotoxicity, in which diverse exposures ultimately lead to similar vascular and systemic outcomes.
Vulnerable Populations and Environmental Injustice
The burden of environmental exposure is not equally distributed. More than 90% of pollution-related disease and death occurs in low- and middle-income countries.
Within countries, vulnerable populations, including children, the elderly, and socioeconomically disadvantaged groups, are often more heavily exposed and more susceptible to adverse health effects. Occupational exposures further increase risk in specific groups, such as agricultural workers, miners, and industrial laborers.
Early-life exposure is of particular concern. Developmental windows represent periods of heightened vulnerability during which environmental insults can have long-lasting effects on organ systems, including the cardiovascular and nervous systems. Evidence suggests that prenatal and early childhood exposure to pollutants may predispose individuals to cardiovascular disease later in life.
Climate Change as an Amplifier of Pollution Exposure
Climate change interacts with soil and water pollution in multiple ways, often exacerbating exposure and health risks. Rising temperatures can increase the volatilization of chemicals and accelerate the degradation of plastics into micro- and nanoplastics. Extreme weather events, such as floods and droughts, can mobilize pollutants from contaminated soils into water systems or concentrate them in shrinking water supplies.
Drought conditions may increase reliance on contaminated groundwater, while flooding can disperse industrial and agricultural contaminants over wide areas. In addition, climate-driven changes in ecosystems can alter the distribution and bioaccumulation of pollutants in food chains.
Heat stress itself is a cardiovascular risk factor and may act synergistically with chemical exposures to increase disease risk. Thus, climate change does not represent a separate challenge but rather an amplifier of existing environmental health threats.
Implications for Risk Assessment and Prevention
The interconnected nature of environmental exposures has important implications for both research and policy. Traditional risk assessment approaches, which focus on single pollutants in isolation, are insufficient to capture the complexity of real-world exposures. There is a need for integrated approaches that consider mixtures, multiple exposure pathways, and cumulative risk over time.
From a prevention perspective, this implies that effective strategies must address the broader environmental system rather than individual pollutants alone. Reducing emissions, improving waste management, regulating chemical production, and redesigning urban environments are all necessary components of a comprehensive approach.
Importantly, environmental interventions often yield co-benefits. Measures that reduce pollution, such as transitioning to clean energy, promoting sustainable agriculture, and improving urban design, can simultaneously mitigate climate change, enhance biodiversity, and reduce cardiovascular risk.
Key Concept
Soil, water, and air pollution are interconnected components of a unified environmental exposome. Their combined effects, mediated through shared biological pathways such as oxidative stress and inflammation, drive cardiovascular and systemic disease. Addressing these risks requires integrated, multisectoral strategies that move beyond single-exposure paradigms.
Policy Prevention, and Clinical Implications
Environmental Pollution as a Preventable Cardiovascular Risk Factor
The evidence presented in this Review makes clear that soil, water, and plastic pollution are not only environmental concerns but major, modifiable drivers of cardiovascular disease. Despite this, environmental exposures remain largely absent from clinical guidelines and global prevention strategies for NCDs. Current frameworks continue to prioritize individual lifestyle factors while underestimating structural and environmental determinants of health.
This imbalance represents a critical gap. Unlike many traditional risk factors, environmental exposures are largely involuntary and unequally distributed. As such, they require population-level interventions rather than individual behavioral change. Addressing pollution is therefore not only a matter of environmental protection but a central pillar of cardiovascular prevention.
Policy Failure and the Need for Systemic Change
The persistence of widespread chemical and plastic pollution reflects systemic policy failures. More than 300,000 synthetic chemicals are in global use, yet only a small fraction have been adequately tested for long-term toxicity, including cardiovascular effects.
In addition, the true health costs of pollution are largely externalized. Industrial production, fossil fuel use, and plastic manufacturing generate substantial economic benefits for producers while shifting health and environmental costs onto societies, particularly vulnerable populations. The
A paradigm shift is urgently needed, from reactive regulation to proactive, precautionary governance. This includes stricter chemical safety testing, transparency regarding chemical composition, and lifecycle-based regulation of pollutants from production to disposal.
Priority Actions for Policy and Public Health
Effective prevention of pollution-related cardiovascular disease requires coordinated, multisectoral action. Key priorities include:
These measures are not only technically feasible but also highly cost-effective when considering the substantial healthcare costs associated with pollution-related disease.
The Role of Clinicians and the Healthcare System
Healthcare professionals have a critical role in addressing environmental determinants of cardiovascular disease. Clinicians should recognize pollution as a major cardiovascular risk factor, comparable in importance to smoking, hypertension, and diabetes, and incorporate environmental exposure into risk assessment and patient counseling.
At the individual level, clinicians can:
At the collective level, healthcare professionals and scientific societies should:
Healthcare systems themselves must also reduce their environmental footprint, as they contribute significantly to greenhouse gas emissions and waste generation.
Research Priorities and Research Gaps
Despite growing evidence, important gaps remain. These include limited data on long-term, low-dose exposure, insufficient understanding of mixture effects, and a lack of large-scale epidemiological studies linking soil and water pollutants to cardiovascular outcomes.
Future Research Should Prioritize
Bridging these gaps will be essential to strengthen causal inference and inform policy.
A Call to Action: From Evidence to Implementation
The science is now sufficiently robust to justify immediate action. Waiting for absolute certainty risks perpetuating preventable disease and death. The history of public health, from tobacco control to air pollution regulation, demonstrates that early intervention saves lives.
Environmental pollution represents a global cardiovascular risk factor of unprecedented scale. Addressing it requires coordinated action across sectors, disciplines, and political boundaries. Policies that reduce pollution will yield substantial co-benefits, including improved cardiovascular health, reduced healthcare costs, climate mitigation, and enhanced ecosystem resilience.
Policy Frameworks and Economic Burden of Pollution Control
The scale of soil and water pollution poses not only a major health threat but also a profound economic challenge. In the European Union alone, soil degradation is estimated to cost more than €50 billion annually.
Globally, the financial gap for restoring and protecting ecosystems remains substantial. Achieving Sustainable Development Goal 14—focused on conserving oceans and marine resources—will require approximately US$174.5 billion annually, compared with current investments of only US$25.5 billion, leaving a funding gap of nearly US$149 billion per year.
In response, the European Commission has introduced the Zero Pollution Action Plan as a core element of the European Green Deal.
A comparable regulatory framework exists in the United States through the Environmental Protection Agency (EPA), which implements major legislative instruments such as the Clean Air Act, Clean Water Act, Toxic Substances Control Act, Resource Conservation and Recovery Act, and Superfund program to regulate pollutants, manage hazardous waste, and remediate contaminated sites.
Together, these frameworks highlight both progress and persistent gaps. Closing the implementation and funding deficits will be essential to reduce pollution exposure and achieve meaningful health gains.
Conclusions
Soil, water, and plastic pollution represent a largely invisible but profoundly important driver of global cardiovascular disease. This Review highlights that these environmental exposures are not isolated ecological concerns but central determinants of human health, contributing substantially to the global burden of NCD. The evidence is now compelling: pollutants originating from industrial, agricultural, and urban sources permeate ecosystems, enter the human body through multiple pathways, and converge on a limited set of biological mechanisms, including oxidative stress, inflammation, endothelial dysfunction, and metabolic disruption, that ultimately promote cardiovascular injury.
A key insight is the interconnected nature of environmental compartments. Soil, water, and air continuously exchange contaminants, creating complex exposure mixtures that define the human exposome. This interconnectedness challenges traditional single-exposure frameworks and underscores the need for integrated, systems-level approaches in both research and prevention. Importantly, emerging contaminants such as micro- and nanoplastics exemplify how modern environmental changes introduce new and poorly understood risks with potentially far-reaching cardiovascular implications.
Despite these advances, environmental determinants remain underrepresented in cardiovascular prevention strategies and clinical guidelines. This gap reflects not a lack of evidence, but a lag in translation from science to policy and practice. Unlike traditional risk factors, environmental exposures are largely involuntary, unequally distributed, and driven by structural forces, necessitating population-level interventions and strong regulatory action.
The implications are clear. Reducing pollution is one of the most powerful and cost-effective strategies to prevent cardiovascular disease on a global scale. Measures targeting emissions, chemical safety, waste management, and sustainable urban and agricultural practices offer substantial co-benefits for climate, ecosystems, and human health. At the same time, clinicians and scientific societies must play a more active role in recognizing, communicating, and addressing environmental risks.
Ultimately, protecting soil and water quality is not only an environmental imperative but a medical one. Cardiovascular health cannot be achieved without a healthy environment. Integrating environmental protection into the core of cardiovascular prevention represents a critical step toward a more comprehensive, equitable, and future-oriented approach to global health.
Footnotes
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