Scientists identify the protein DeltaFosB as the "master switch" that rewires the brain's memory and reward circuits, driving chronic cocaine addiction and relapse. Summary: Relapse isn’t a failure of willpower—it’s a biological “rewiring” of the brain. A new study reveals how chronic cocaine use hijacks the connection between the brain’s reward center and its memory hub (the hippocampus). Researchers identified... [7278 chars]
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