The internet contains a huge amount of information on MCS.  Some of it is reliable and valuable, some is personal opinion, some is for commercial purposes, and some is fallacious. Below are some of the better non-commercial sites for MCS information and support.   

MCS ORGANIZATIONS

New to MCS
 
Planet Thrive - Online health community for people recovering from environmental Illness.
Artists with MCS - HEAL member Pat Hetzler is one of these "creative canaries" that channel their struggles into beautiful works of art. Please support these artists.
HealthyHighway.org - Products and services for people with Allergies, EI & MCS.

National MCS Support and Advocacy Organizations

National Human Ecology Action League (HEAL) - Atlanta HEAL is a chapter. Quarterly magazine "The Human Ecologist" and material for purchase on almost every MCS subject.

Chemical Injury Information Network (CIIN) - Good monthly newsletter "Our Toxic Times" contains the latest MCS research at a level of detail and technical depth not found elsewhere. Other services include in-depth research by MCS subject. 

American Academy Of Environmental Medicine – an organization for doctors who understand the effects of environment on health.

MCS Global - Global recognition campaign for MCS.  Website includes lots of MCS information.

James Madison University MCS Research - Access to interesting research conducted by Pamela Gibson Reed.

The Environmental Health Network (of California) A searchable site with many good articles, and addresses and links to MCS information and support.

Share/Care/Prayer – a “nonprofit, Christian organization encouraging, educating and equipping the environmentally sensitive (i.e. sensitive to foods, chemicals, molds, and other inhalants) as well as those suffering from Candidiasis, Chronic Fatigue Syndrome and Fibromyalgia”. Newsletter and many worthwhile services for all regardless of belief.  

The Naked Truth Project - Exposing the dangers of everyday chemicals in our lives.

National Council on Independent Living - understanding & accommodating people with MCS.

International Organizations (in English)

MCS Canadian Sources - Resources and Support for MCS, Environmental Illness, and Chemical Injuries in Canada.

OMNI (UK) (Organizing Medical Networked Information) – “a gateway to evaluated, quality Internet resources in health and medicine…”  this is the MCS page from OMNI, a product of the UK government (much of the info is from US sources)

PERSONAL & DOCTOR'S MCS WEB PAGES

Hospital Protocol for MCS Patients - List of requirements for MCS patients.
Efficacy of MCS Treatments - Study on the effectiveness of 101 treatments used by people with MCS 
Resources for the Chemically Sensitive: has a large list of alphabetically arranged links.
MCS Referral and Resources organization formed by Grace Ziem, MD, DrPH, and Albert Donnay, MHS Chem-Tox - Information compiled by Wayne Sinclair, MD, Allergy, Asthma & Immunology and Richard Pressinger, M.Ed., Tampa, FL.
Our Little Place, created in Memory of Julia Kendall - many good articles and links.
Health and Environmental Research Center - Message Board, Chat, links and Personal Accounts - Wall of Personal Testimony.

ORGANIZATIONS WORKING FOR A LESS TOXIC ENVIRONMENT

Many groups are aware of the damage to health caused by chemicals and are working for cleaner air, food, and water. Although their agendas may not be identical to those of MCS groups, they accomplish wonderful things to our benefit:

American Lung Association has many good pamphlets on air quality.
Action on Smoking and Health (ASH)
Come Clean Efforts to get the chemical industry to “come clean”.
Fragranced Products Information Network
Health and Environmental Resource Center by Earth Angels
Mothers for Natural Law – Organized Against Genetically Engineered foods.
 

US GOVERNMENT

National Institute of Environmental Health Science
Environmental Health Policy Committee

Environmental Health Center  
Environmental Protection Agency

RELATED CONDITIONS

Food Allergies - A complete resource site for those on special diets, or with food allergies and sensitivities
Chronic Fatigue Immune Deficiency Syndrome Association  
Dr. Cheney's CFIDS Site  
Chronic Fatigues Syndrome Doctor's Page
Latest News About CFS  
Myalgic Encephalomyelitis (ME) Manual (M.E. is another name for Chronic Fatigue)  
American Fibromyalgia Syndrome Association  
Fibromyalgia Network  
R.E.S.C.I.N.D. - Repeal Existing Stereotypes about Chronic, Immunological and Neurological Diseases.  
Co-Cure, Co-operate and Communicate for a Cure." To CFS and Fibromyalgia.  
Support Network for the Aldehyde and Solvent Affected  
Safe Arbor, Porphyria Page  
WASTE: a national support group comprising well over 100 individuals within the medical community who have been injured by glutaraldehyde.    

CHRONIC ILLNESS

We have over 10 million cohorts disabled by chronic illness, and 50 million with semi-disabling chronic illness. Our commonalities - for example, loss, isolation, lack of validation, SS, depression - are more important than our differences. The following sites offer comfort to those with chronic illness and better understanding to loved ones.

The Invisible Disabilities Advocate

Rest Ministries

MEDICAL/SCIENTIFIC JOURNALS, DATABASES & SEARCH

ENGINES

The following can be used to search for a specific chemical or condition:

Journal of American Medical Information Association. Access to about 100 medical and biological journals. Searchable. Does not need password.

TOXNET – by the National Institute of Health (US Gov.) "Factual information on toxicity and other hazards of chemicals". Look up any substance.

MEDLINE, The world’s most comprehensive source of life sciences and biomedical bibliographic information, with nearly eleven million records”

Material Safety Data Sheets

Agency for Toxic Substance and Disease Registry (ATSDR): Current warnings and subjects under review by this agency.