Chronic Alcohol Consumption Alters Gene Expression in Brain Regions Linked to Reward and Decision-Making

A recent study has revealed that chronic alcohol consumption significantly impacts gene expression in key brain regions linked to reward, impulse control, and decision-making. Researchers found that these changes may contribute to an increased risk of relapse and neural injury. The study, conducted by the Institute for Neurosciences—a collaboration between Miguel Hernández University of Elche and the Spanish National Research Council—provides new insights into how prolonged alcohol use affects the brain at a genetic level.

The research highlights alterations in neural circuits associated with critical cognitive functions. These findings suggest that chronic alcohol use disrupts normal gene activity in areas of the brain responsible for regulating behavior and decision-making processes. The study’s results underscore the complex relationship between long-term alcohol exposure and its lasting effects on brain function, particularly in regions tied to addiction vulnerability and recovery challenges.

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Date: February 9, 2026

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GOAI