Addiction

Protein links alcohol abuse and changes in brain's reward center

When given access to alcohol, over time mice develop a pattern similar to what we would call "problem drinking" in people, but the brain mechanisms that drive this shift have been unclear. Now a team of UC San Francisco researchers ...

Medical research

Morphine and cocaine affect reward sensation differently

(Medical Xpress)—A new study by scientists in the US has found that the opiate morphine and the stimulant cocaine act on the reward centers in the brain in different ways, contradicting previous theories that these types ...

Neuroscience

New study identifies gene that could play key role in depression

Globally, depression affects more than 300 million people annually. Nearly 800,000 die from suicide every year—it is the second-leading cause of death among people between the ages of 15 to 29. Beyond that, depression destroys ...

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