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National Institute of Environmental Health SciencesNational Institutes of Health
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Environmental Agents

Smoke Stack These topics are chemicals or factors in the environment to which humans are exposed that may cause adverse health effects.

USA.gov Department of Health & Human Services National Institutes of Health
This page URL: http://www.niehs.nih.gov/health/topics/agents/index.cfm
NIEHS website: http://www.niehs.nih.gov/
Email the Web Manager at webmanager@niehs.nih.gov
Last Reviewed: August 06, 2008