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"Although inflammation is frequently a cause of disease in the body, research from The University of Texas Health Science Center at San Antonio indicates that low levels of a pro-inflammatory cytokine in the brain are important for cognition. Cytokines are proteins produced by the immune system."^^<http://www.w3.org/2001/XMLSchema#string>
<http://medicalxpress.com/news/2014-01-pro-inflammatory-agent-cognition-rats.html>