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Why Our Brains Love Junk Food

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Published on Aug 14, 2012

Hank explains the scientific reasons behind why we humans generally prefer to eat donut hamburgers to carrots.

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References
Diet & the evolution of the earliest human ancestors - http://www.pnas.org/content/97/25/135...
Australopithecus: Diet - http://en.wikipedia.org/wiki/Australo...
Did cooking make us human? - http://www.youtube.com/watch?v=rf_OWu...

scishow, science, biology, health, junk food, fat, carbohydrate, omnivore, calorie, evolution, evolve, australopithecus, homo habilis, brain, digestion, digestive system, fire, cook, meat, energy, vegetable, energy, diet, pleasure, comfort food, sugar, nutrition

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