Exposure to Metals Can Elevate Cardiovascular Disease Risk

A study has shown that environmental metal pollution is linked to enhanced calcium accumulation in coronary arteries, a condition that rivals traditional risk factors like diabetes and smoking in its impact. This makes metal exposure a critical risk factor for developing atherosclerosis and cardiovascular disease.

Metals are present in our environment and exposure often occurs unintentionally through air, water, soil, and the food we consume, largely due to their extensive use in industry and everyday products. These metals can build up in the body, persisting in bones and organs for many years and disrupt critical biological processes.

The study highlighted in the report discovered that elevated urine levels of arsenic, along with increased concentrations of lead and cadmium in the blood, correlated with a 15%-85% heightened likelihood of developing stroke and heart disease. While environmental toxicants have not traditionally been considered risk factors for heart disease, the emerging field of environmental cardiology is recognizing exposure to these pollutants as risks that can be managed.

The team examined data from over 6,000 adults, aged 45 to 84, who took part in the Multi-Ethnic Study of Atherosclerosis. For two years, starting in July 2000, these participants provided urine samples and had their arterial calcium levels measured initially and then four additional times over the next decade. None of the participants had clinical cardiovascular disease at the start of the study.

Their results offered sufficient evidence that exposure to metals could be linked to the development of atherosclerosis over a decade by promoting coronary calcification. The connections between metal exposure and the progression of coronary artery calcium were found to be similar to traditional risk factors like smoking, diabetes, and high cholesterol.

Given the widespread distribution of these metals, this study emphasizes the need for enhanced awareness and stricter regulatory measures to minimize exposure and protect cardiovascular health.

To view the original scientific study click below:
Urinary Metal Levels and Coronary Artery Calcification: Longitudinal Evidence in the Multi-Ethnic Study of Atherosclerosis

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