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National Prevalence of Chemical Hypersenitivity

The study found that 11.2% of the sample reported a hypersensitivity to chemicals, and 2.5% reported being diagnosed with MCS. Additionally, 14.1% of the respondents reported being diagnosed with asthma. Of those with asthma, 27% reported also being hypersensitive to chemicals and 7.4% reported also being diagnosed with MCS. Of those diagnosed with MCS, 42% reported also being diagnosed with asthma.



Read the entire study report.

The national prevalence of chemical hypersensitivity, the medical diagnosis of multiple chemical sensitivities , and potential overlaps with asthma
Townsend Letter for Doctors and Patients, August-Sept, 2005, by Stanley M. Caress, Anne C. Steinemann