An in-depth piece by The Wall Street Journal looks at the rise of at-home DNA testing kits and the effect they can have on family secrets. Sales of the DNA kits "are soaring as people seek to learn more about their roots," the report states, but the genetic information can lead to the discovery of extramarital affairs, lost siblings and more. "Given the rapid growth of consumer genetic testing," the report states, "people can often be identified even if they don't take a test themselves." A paper published in Science last October found that more than 60 percent of individuals in the U.S. of European descent have a third cousin or closer in a DNA database. One of the authors of the paper said, "DNA tests can reveal that there is something odd going on. ... But they don’t tell you the story of what happened." (Registration may be required to access this story.)
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