Primal Instincts

Primal Instincts

Happiness
Season 1  |  Episode 2  |  ABC  |  November 24, 2009

Shines a light on the most sought-after emotion, exploring the evolutionary role of happiness and examining what in the brain makes some people happy and others sad.

Shines a light on the most sought-after emotion, exploring the evolutionary role of happiness and examining what in the brain makes some people happy and others sad.

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