NEW YORK, July 14 - In testimony before the Joint Economic Committee of the US Congress last week, FDA Commissioner Mark McClellan warned that innovative biomedical technologies such as genomics, proteomics, and bioinformatics may lead to an increase in the overall costs of healthcare, but noted that "the potential benefits of new treatments could grow even more dramatically."

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Polygamy amplified a rare genetic disease in area near Arizona-Utah border, BBC Future reports.

Genetic ancestry testing led one woman to learn that her father and another baby boy had been switched at birth, the Washington Post reports.

Simple de-identification methods can protect information in a database from attackers, a new study suggests.

In Science this week: approach to visualize chromatin structure in nuclei, and more.