An illustration of the human brain including the brainstem and the upper spine. The brain and brainstem are shown in a light pink color. An arrow shaped object is illustrated in red curving from the center of the brain up to the top left. An egg-shaped object is illustrated in green at the center of the brain. The red arrow shaped object passes through the green egg shaped object. There is also a small green spot at the top of the brainstem.
The word "addiction" has two arrows pointing to the red arrow shaped object in two places where it intersects with the green object and where it curves upward. The word "dependence" has two arrows pointing from it to both of the green objects.
The image is set against a dark blue background and has a textured appearance.
Description 
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Date
2012
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2012
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2012
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2011
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2011
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Date
2012
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Date
2011
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2012
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Date
2012
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Date
2011
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2012
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2011
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Date
2011
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Date
2012
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2011
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2011
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2011
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2007
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2011
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