JACC Advances· 2026Q1
Disparities in County-Level Vulnerability to Cardiovascular Mortality Associated With Extreme Heat Exposure
- 1citations
- Q1SCImago
- 2026year
Short summary
Cardiovascular mortality risk from extreme heat varies significantly across US counties, driven by differences in demographic, socioeconomic, and housing characteristics.
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Key points
- Extreme heat exposure increases cardiovascular strain and mortality.
- Vulnerability to heat-related cardiovascular mortality varies widely across US counties.
- Demographic, socioeconomic, and housing characteristics are key factors influencing this vulnerability.
AI-generated from the title and abstract; the full text is not read.
Abstract
lobal climate change related to greenhouse gas emissions has led to a rise in the intensity and frequency of extreme heat events in recent years. 1 Excess heat exposure has been associated with increased cardiovascular strain and mortality via various physiologic mechanisms (eg, dehydration, increased cardiac output, etc). 1 Vulnerability to heat-related cardiovascular mortality (CVM) varies widely across U.S. counties, likely reflecting differences in demographic, socioeconomic, and housing characteristics.We sought to identify county-level factors associated with heightened sensitivity to extreme heat.
The authors' abstract, as published at the source. JACC Advances, 2026 · DOI ↗
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Health, Toxicology and MutagenesisEnvironmental Science