Bottoms Up to Finding Connection Between Genes and Addiction

Aired: 12/13/2012 | 0:10:17 | Clip
Scientists have not found one master alcoholism gene in DNA but rather several that may affect a person's susceptibility. Science correspondent Miles O'Brien goes under the influence to examine the genetic science behind alcoholism and other addictions, and how the answers point to great challenges in curing substance abuse.

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