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On the Recognition of Multiple Chemical Sensitivity in Medical Literature and Government Policy

MCS Referral & Resources, Baltimore, Maryland, USA

The history of chemical sensitivity in America is reviewed from the first description published by Edgar Allan Poe in 1839, to its first medical definition as a symptom of neurasthenia in 1869, its rediscovery as allergic toxemia in 1945, its redefinition in 1987 as multiple chemical sensitivity (MCS), and its overlap in the 1990s with chronic fatigue syndrome, fibromyalgia syndrome, and Gulf War syndrome (GWS). More than half of the over 500 peer-reviewed articles on MCS support an organic basis for MCS, whereas less than one-quarter support a psychiatric basis. The same 2:1 difference is seen in the numbers of MCS researchers writing these articles and the number of journals publishing them. A psychogenic interpretation of MCS also is specifically rejected in the latest formal position statement on the subject, a 1994 consensus of the American Lung Association, American Medical Association (AMA), U.S. Environmental Protection Agency (US EPA), and U.S. Consumer Product Safety Commission (US CPSC) (U.S. Government Printing Office 1994–523–217/81322). This and other government recognition of MCS in policy, research, and scientific conferences are summarized. Dozens of federal, state, and local authorities accept MCS as a legitimate disease and/or disability that deserves reasonable accommodation in housing, employment, and public facilities. Official recognition is expected later in 1999 when the U.S. Centers for Disease Control and Prevention (CDC) announces a formal definition of MCS and the federal Interagency Workgroup on MCS releases its long-awaited final report, 4 years in the making. Given that epidemiological data from three states puts the prevalence of chemical sensitivity at 16 to 33% of the general population, 2 to 6% of whom have already been diagnosed with MCS, this truly is a hidden epidemic that deserves the priority attention of public health researchers and policy makers. Industrial toxicologists are encouraged to work on reducing and eliminating the use of synthetic fragrances, chemical sensitizers, and other irritants in consumer products and occupational settings.

Key Words: Fatigue Syndrome—Chronic • Fibromyalgia—Gulf War Syndrome • Multiple Chemical Sensitivity • Neurasthenia • Poe • Edgar Allan

International Journal of Toxicology, Vol. 18, No. 6, 383-392 (1999)
DOI: 10.1080/109158199225099


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