International Drug News

Research Links Adolescent Substance Use to Adult Brain Volumes

Drug & Brain - Mon, 2019-04-08 11:33
This research revealed associations between nicotine, alcohol, and marijuana use during two periods of adolescence and smaller gray matter volume in two brain areas at age 25.

Transcription Factor E2F3a Mediates Cocaine’s Effects on Gene Expression and Addiction-Related Behaviors

Drug & Brain - Thu, 2019-02-28 08:27
This study demonstrated that cocaine increases expression of the protein E2F3a in the brain’s reward system. The changes in E2F3a levels in the nucleus accumbens are tied to addiction-related behaviors and to altered gene expression.
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