Both and 23andMe have received requests from law enforcement agencies for access to their DNA databases, the Associated Press reports.

Together, the consumer genetics companies have fielded five such demands. gave police access to one person's information for a rape and murder case in Idaho, while 23andMe persuaded officials to withdraw four requests.

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Researchers test gene therapy targeting a different cancer protein in a new trial, the New York Times reports.

Pennsylvania State University researchers found that salivary microRNAs could predict which kids would have longer concussion symptoms, according to NPR.

The Associated Press reports Alex Azar, the new Department of Health and Human Services secretary nominee, made millions of dollars as a pharmaceutical executive.

In PNAS this week: immune profiling of breast cancer, transposable element patterns in rice, and more.