On Background  ·   December 19, 2013

What genetic testing can't tell you

- Start-up 23andMe generated major attention with its personal genomics tests. Dr. Robert Klitzman, of Columbia University's Masters in Bioethics Program, discusses what those tests can reveal—and also what they leave out. ()

- Start-up 23andMe generated major attention with its personal genomics tests. Dr. Robert Klitzman, of Columbia University's Masters in Bioethics Program, discusses what those tests can reveal—and also what they leave out. ()

What genetic testing can't tell you (2:24)

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