How do race and ethnicity affect heart risk?
In recent years, many people curious about their heritage have done at-home DNA tests such as those sold by 23andMe or Ancestry. By analyzing variations in your DNA, the tests can reveal where your distant ancestors may have lived, providing clues to your racial and ethnic heritage. These results are usually presented in percentages by geographic location — for example, Western Europe, Northern Africa, Central America, and Southern Asia.
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