Two genetically identical mice look vastly different—one is lean and brown, the other is fat and yellow. How is this possible? Epigenetic pioneer Randy Jirtle explains the breakthrough study that gives us new clues into the understanding of obesity and diabetes in mice—and possibly humans.

Watch the full program here: https://youtu.be/lQrzjZO4Cns
Original Program Date: June 1, 2013

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