Across all kinds of cancer, Black Americans have higher rates of mortality and, often, more aggressive forms of the disease. A growing body of research suggests the reasons may not have to do with African ancestry as much as social and environmental factors like racism, housing discrimination, and — according to a new study — exposure to pollution.
The study, published in Nature Communications, found that in several types of cancer, Black patients had more cancers with extra copies of genes. But the team found that these genetic duplications, which can make cancers more aggressive, didn’t seem to be linked to anything ancestral. Rather, the team reported genetic duplications were more likely in cells exposed to pollutants.
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Author: Anil Oza
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