To quantify the links between specific heavy metals (arsenic, cadmium, lead, mercury) and cardiovascular disease (CVD), investigate dose–response relationships, and examine geographic, genetic, and sex-based variability.
Key Findings:
Chronic exposure to arsenic, cadmium, and lead is significantly associated with increased CVD risk, with relative risks ranging from 1.23 to 2.22, while mercury showed no significant link.
Gaps exist in understanding interactions between metal combinations and the impact of new contaminants like cobalt and nickel, which require further investigation.
Interpretation:
Heavy metals are critical environmental risk factors for cardiovascular diseases, necessitating updated research and public health policies, particularly in low- and middle-income countries where exposure is prevalent.
Limitations:
Most studies focused on high-income regions, neglecting low- and middle-income countries, which may lead to an underestimation of global CVD risk associated with heavy metals.
Interactions between different heavy metals and their combined effects on health are under-researched, limiting the understanding of their cumulative impact.
Conclusion:
The study emphasizes the need for a comprehensive understanding of heavy metal exposure and its implications for cardiovascular health, advocating for global prevention strategies.
by Shamikha Cheema, Syed Ibad Hussain, Muhammad Shaheer Bin Faheem, Amna Amir Jalal, Mohamed Rifai, Areej Dar, Muhammad Burhan, Areeba Shahid, Muhammad Seerat Ali, Amna Anwar, Misha Khalid, Sumaya Samadi
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