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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 small talk may have some benefits

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From the University of Arizona press release: People who engage in more substantive conversations tend to be happier, a new study confirms. Researchers also found that idle small talk is not necessarily negatively related to…