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Even Small Reduction in Lead Levels Improve Heart Health for Native Americans, Study Says

Researchers have found that small declines in blood lead levels were associated with long-term heart health improvements in Native American adults through the Strong Heart Family Study.

Participants of the Strong Heart Study included 285 Native American adults who lived in one of four tribal communities in Arizona, Oklahoma, North Dakota, and South Dakota. The study is the largest following cardiovascular health outcomes and risk factors among Native American adults.

The findings, published in the Journal of the American Heart Association, found that a 2.5 percent drop per year in blood lead levels resulted in a drop in blood pressure comparable to the effects of blood pressure-lowering medication.


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