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Study links gene to addictive behaviour

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From the EMBO press release: Cocaine can have a devastating effect on people. It directly stimulates the brain’s reward center, and, more importantly, induces long-term changes to the reward circuitry that are responsible for addictive… 

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…