Assessing a Medley of Metals: Combined Exposures and Incident Coronary Heart Disease
Metals occur naturally in the environment, but they can also be introduced as pollutants. Some exposures to environmental metals occur through air, water, food, and consumer products, whereas other exposures occur on the job. Several previous studies have evaluated associations between heart disease outcomes and exposure to individual metals, including arsenic.Yet humans are exposed to many metals simultaneously in daily life. A new study in Environmental Health Perspectives investigates the associations between exposures to multiple metals and coronary heart disease (CHD) in a large Chinese cohort.5
Air and water pollution are major public health concerns in China, where cardiovascular disease is a leading cause of death. “Metals are one of the potential components to many of these pollution sources,” says coauthor An Pan, an epidemiologist at Huazhong University of Science and Technology in Wuhan.
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