Health Impacts of Oil Spill Exposures

Oil spills release complex mixtures of hydrocarbons, volatile organic compounds and trace metals into marine and coastal environments, posing acute and chronic health risks to responders, coastal residents and communities reliant on fisheries. Acute inhalation of vapours can provoke respiratory irritation, bronchospasm and systemic symptoms such as headaches and dizziness. Dermal contact may cause skin irritation, dermatitis and sensitisation. Prolonged or high-level exposures have been linked to neurological disturbances, cardiovascular strain, genotoxic effects and endocrine disruption. Mental health burdens, including anxiety and stress disorders, often compound physical ailments in affected populations. Longitudinal observations indicate that some health effects may emerge or persist years after initial exposure, underscoring the need for long-term surveillance. Global implications extend to policy development, emergency response planning and provision of personal protective equipment, with a view to mitigating both immediate and delayed health outcomes.

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Health Impacts of Oil Spill Exposures publication trend

The graph below shows the total number of articles in health impacts of oil spill exposures across all publications each year (not limited to Nature Index journals).

Technical terms

Volatile organic compounds (VOCs): Organic chemicals that readily vapourise under ambient conditions, often contributing to acute respiratory and systemic toxicity when inhaled.

Polycyclic aromatic hydrocarbons (PAHs): Multi-ring hydrocarbon molecules generated during oil refining and combustion, recognised for their potential to damage DNA and induce carcinogenesis.

Chromosomal aberrations: Structural changes to chromosomes detected in blood or tissue samples, serving as biomarkers of genotoxic exposure and elevated cancer risk.

Cohort study: An observational research design that follows a defined group over time to assess relationships between specific exposures and subsequent health outcomes.

References

1. Toxicological Effects of Inhaled Crude Oil Vapor. Current Environmental Health Reports (2024).
2. Association between health information, use of protective devices and occurrence of acute health problems in the Prestige oil spill clean-up in Asturias and Cantabria (Spain): a cross-sectional study. BMC Public Health (2006).
3. Risk of longer-term neurological conditions in the Deepwater Horizon Oil Spill Coast Guard Cohort Study – Five years of follow-up. Environmental Health (2023).
4. Deepwater Horizon oil spill exposures and nonfatal myocardial infarction in the GuLF STUDY. Environmental Health (2018).
5. Follow-Up Genotoxic Study: Chromosome Damage Two and Six Years after Exposure to the Prestige Oil Spill. PLOS ONE (2015).
6. Biomonitoring of Human Exposure to Prestige Oil: Effects on DNA and Endocrine Parameters. Environmental Health Insights (2008).
7. Crude Oil Spills and Respiratory Health of Clean-Up Workers: A Systematic Review of Literature. Atmosphere (2023).