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Heavy metal poisoning and cardiovascular disease

Eman M Alissa1, Gordon A Ferns

  • 1Faculty of Medicine, King Abdul Aziz University, P.O. Box 12713, Jeddah 21483, Saudi Arabia.

Journal of Toxicology
|September 14, 2011
PubMed

Insights

Chronic heavy metal exposure, including arsenic, lead, cadmium, and mercury, is linked to cardiovascular disease (CVD). Further research is needed to understand the exact mechanisms and identify at-risk populations.

Area of Science:

  • Environmental Health
  • Cardiovascular Medicine
  • Toxicology

Background:

  • Cardiovascular disease (CVD) is a growing global health concern, with traditional risk factors insufficient to explain all mortality.
  • Environmental, dietary, and lifestyle factors are key drivers of CVD progression.
  • The link between chronic heavy metal exposure (arsenic, lead, cadmium, mercury) and CVD remains incompletely understood.

Purpose of the Study:

  • To review the current evidence on the association between heavy metal exposure and CVD.
  • To explore proposed mechanisms of heavy metal toxicity in cardiovascular health.
  • To discuss potential interactions between genetic, nutritional, and environmental factors in heavy metal-induced CVD.

Main Methods:

  • Literature review summarizing heavy metal homeostasis.
  • Description of existing evidence linking heavy metals to CVD.
  • Discussion of proposed toxicological mechanisms.

Main Results:

  • Heavy metals like arsenic, lead, cadmium, and mercury are potential contributors to CVD.
  • Impaired antioxidant metabolism and oxidative stress are implicated mechanisms.
  • Further investigation via animal, molecular, and cellular studies is warranted.

Conclusions:

  • Chronic heavy metal exposure is a significant, under-recognized risk factor for cardiovascular disease.
  • Understanding the precise mechanisms of heavy metal toxicity is crucial for prevention and treatment.
  • Large-scale prospective studies are recommended to identify susceptible populations and refine risk assessment.

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