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Study suggests neurobiological link between PTSD and addiction

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From the Society for Neuroscience press release: Recalling traumatic memories enhances the rewarding effects of morphine in male rats, finds new research published in JNeurosci. These findings may help to explain the co-occurrence of post-traumatic stress… 

Study looks at how two brains agree on smells

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From the Zuckerman Institute at Columbia University press release: In a new study, Columbia scientists have discovered why the brain’s olfactory system is so remarkably consistent between individuals, even though the wiring of brain cells…