A medical condition affecting several organs in which a person reports sensitivity to very low doses of a variety of chemicals after an identifiable chemical exposure to one chemical. (Gobbell, 1994, p. 69)
A condition in which a person reports sensitivity or intolerance (as distinct from "allergic") to a number of chemicals and other irritants at very low concentrations. There are different views among medical professionals about the existence, causes, diagnosis, and treatment of this condition.
A wide variety of conditions that individuals may believe to be caused by low levels of exposure to a wide variety of chemicals.
A condition in which a person is considered to be sensitive to a number of chemicals at very low concentrations. There are a number of views about the existence, potential causes, and possible remedial actions regarding this condition.
A diagnostic label for people who suffer multi-system illnesses as a result of contact with, or proximity to, a variety of airborne agents and other substances.
Multiple chemical sensitivity (MCS), also known as "20th Century Syndrome", "Environmental illness", "Sick Building Syndrome", Idiopathic Environmental Intolerance (IEI), can be defined as a "chronic, recurring disease caused by a person's inability to tolerate an environmental chemical or class of foreign chemicals" according to the NIH National Institute of Environmental Health Sciences web site.http://www.niehs.nih.gov/external/faq/mcss.htm