(See http://www.nlm.nih.gov/medlineplus/poisoningtoxicologyenvironmentalhealth.html)

National Library of Medicine and National Institutes of Health's Medline Plus (see graphic) provides information on more than 650 diseases and conditions. The Poisoning, Toxicology, Environmental Health Topics covers:

• air pollution
• anthrax
• arsenic
• asbestos
• biodefense and bioterrorism
• food contamination and poisoning
• carbon monoxide
• electromagnetic fields
• chemical weapons
• household poisons
• drinking water
• seconhand smoke
• food safety
• pesticides
• indoor air pollution
• lead poisoning
• mercury
• molds
• noise
• ozone
• pfiesteria infections
• radiation
• radon
• smallpox

Clicking on mold, for instances, gives you a choice of a general/overviews, prevention/screening, specific conditions/aspects, dictionaries/glossaries, and organizations, each of which a list of links to additional information provided on the topic by federal agencies and national organizations (see graphic).

Clicking on anthrax offers additional choices of recent news articles, information for NIH, alternative therapy, clinical trials, diagnosis/symptoms, pictures/diagrams, research, treatment, genetics, law and policy, information specific to children, teenagers, and women (see graphic). It is also offered in other languages.