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Toxic metals

Toxic metals tied to increased heart disease risk

NEW YORK: People with heavy exposure to arsenic, lead, cadmium or copper may be more likely to develop cardiovascular disease, a review of existing studies suggests. While these elements occur naturally in the earth’s crust, certain metals can also appear at unsafe levels in drinking water, food, and air as a result of agricultural and industrial practices, mining, and smoking, the research team notes in The BMJ. Copper and lead, for example, can seep into drinking water from corroded pipes, while arsenic and cadmium can…