Henrietta Lacks' 'Immortal' Impact on Medical Research

Aired: 8/8/2013 | 0:07:04 | Clip
Henrietta Lacks died 62 years ago, but her cells -- known as HeLa -- live on through scientific research, having led to world-changing medical advances for decades. Margaret Warner talks to Dr. Francis Collins of the National Institutes of Health about a new agreement made with the Lacks' family over control of her DNA legacy.

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