Ancestry Search Can Annoy Living Relatives

Although the human genome is 99 percent the same from human to human, it is that 1 percent that can have a major impact on our response to diseases, viruses, medications, and toxins. If researchers can uncover the minute genetic details that set each of us apart, biomedical research and treatments can be better customized for each individual.
(Image credit: James. J. Caras, National Science Foundation)

Ancestry sleuths be forewarned: While researching your family's past can bring rewards, it might also stir up problems in the present.

Uncovering the roots of your family tree can reveal secrets that might cause conflict and widen rifts between your living family members, a new study finds.

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