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Dr. Sanjay Gupta

@drsanjaygupta

Associate Professor of Neurosurgery, Emory University Hospital; CNN Chief Medical Correspondent

calendar_today16-12-2008 19:57:49

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We know there's a neural link between generosity and happiness -- and the implications of that are extraordinary. We have long assumed it is survival of the fittest, but in fact, humans have evolved to be altruistic, to take care of each other. It feels good to do good.

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