Climate change and cardiovascular risk.

Abstract

Purpose of review: This review explores the complex relationship between climate change and cardiovascular health. It examines the mechanisms through which climate change impacts cardiovascular risk, highlights recent findings on regional trends, and discusses mitigation strategies.

Recent findings: Climate change significantly contributes to cardiovascular morbidity and mortality through mechanisms such as temperature extremes, air pollution, and food insecurity. Heatwaves increase risks of dehydration, electrolyte imbalance, and acute cardiovascular events, while cold spells exacerbate myocardial stress and pollution-related cardiovascular risks. Air pollution, including fine particulate matter (PM2.5), induces systemic inflammation, endothelial dysfunction, and atherosclerosis. Emerging data highlight regional variations, with urbanization exacerbating risks in Asia-Pacific and Middle Eastern populations, while extreme heat and cold challenge resilience in Europe and Latin America. Studies also link socioeconomic stress from climate-induced displacement and resource shortages to chronic cardiovascular conditions. Notably, urban greening and air quality regulations demonstrate potential for reducing cardiovascular risks.

Summary: Climate change amplifies cardiovascular risks through diverse mechanisms, disproportionately affecting vulnerable populations. Targeted strategies, including public health campaigns, sustainable urban planning, and technological innovations, can mitigate these risks. Advances in generative artificial intelligence and big data analytics offer opportunities to tailor interventions and enhance predictive modeling. A multidisciplinary approach integrating public health, environmental science, and clinical expertise is critical to addressing these challenges. Urgent action is required to mitigate the long-term cardiovascular impacts of climate change and foster resilient health systems globally.