Chemically-Induced Disorders: News and Research on Substance-Related Disorders

MeSH tree: C25.775

Lower dopamine may drive teen risk-taking that fades with age

Teenage risk-taking, such as experimentation with alcohol, cannabis, nicotine and other substances, may reflect a compensatory response to lower baseline dopamine, the brain chemical for reward activity, a new University ...

A heritable 'brake' for stopping cocaine use in rats

Cocaine produces strong euphoric effects, but many users experience unpleasant effects after the rewarding aspects of the drug wear off, which serve as a "brake" for continued use. Research suggests that those who go on to ...

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