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<p>Environmental exposures have a crucial role in the incidence and progression of heart failure (HF) by exacerbating genetic predisposition and other pathophysiological mechanisms. The exposome — encompassing pollution, climate and the urban environment — and the biological responses to these factors shape cardiovascular health in complex ways. Air, noise and light pollution, exposure to toxic metals, and extremes of temperature adversely affect HF outcomes. Social determinants of health, including socioeconomic status, amplify these environmental risks, disproportionately affecting vulnerable populations. Conversely, green spaces and walkable neighbourhoods are linked to a reduced risk of HF, improved vascular health and medication adherence. Emerging evidence suggests that environmental stressors influence HF outcomes from early life by altering gene expression through epigenetic mechanisms. Despite these insights, research gaps remain. Future studies must integrate environmental, genetic and multiomics data to refine risk prediction and guide targeted public health interventions. A comprehensive understanding of the exposome in the aetiology of HF is essential for developing prevention strategies that address both biological and social determinants of cardiovascular health.</p>

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The environmental exposome in heart failure risk and progression

  • 期刊论文

  • 发表日期：

    2026年1月26日

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  • Omar Hahad,
  • Sojin Wass,
  • Sanjay Rajagopalan,
  • Shady Abohashem,
  • Hua Hao,
  • Ana Navas-Acien,
  • Lavanya Bellumkonda,
  • Kai Chen,
  • Robert D. Brook,
  • Khurram Nasir,
  • Philipp Lurz,
  • David E. Lanfear,
  • Arvind Bhimaraj,
  • Sadeer Al-Kindi

摘要

Environmental exposures have a crucial role in the incidence and progression of heart failure (HF) by exacerbating genetic predisposition and other pathophysiological mechanisms. The exposome — encompassing pollution, climate and the urban environment — and the biological responses to these factors shape cardiovascular health in complex ways. Air, noise and light pollution, exposure to toxic metals, and extremes of temperature adversely affect HF outcomes. Social determinants of health, including socioeconomic status, amplify these environmental risks, disproportionately affecting vulnerable populations. Conversely, green spaces and walkable neighbourhoods are linked to a reduced risk of HF, improved vascular health and medication adherence. Emerging evidence suggests that environmental stressors influence HF outcomes from early life by altering gene expression through epigenetic mechanisms. Despite these insights, research gaps remain. Future studies must integrate environmental, genetic and multiomics data to refine risk prediction and guide targeted public health interventions. A comprehensive understanding of the exposome in the aetiology of HF is essential for developing prevention strategies that address both biological and social determinants of cardiovascular health.