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NIDA Notes Articles: Basic Science
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Immune System Plays Unexpected Role in Brain Development

September 2008

Describes research findings demonstrating that the immune system participates in the shaping of brain circuits during a child's development, a finding that may shed light on the origins of neurodegenerative diseases.
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Methamphetamine Restricts Fetal Growth, Increases Lethargy in Newborns

June 2008

Reports on research showing that newborns whose mothers abused methamphetamine during pregnancy showed lower rates of fetal growth as compared with unexposed newborns.
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Stress Response May Underlie African- Americans' Reduced Pain Tolerance

October 2006

Summarizes research suggesting a physiological difference as the explanation for African-Americans' reported low tolerance for pain.

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