systematic_review
    2006
    High Quality

    Multiple chemical sensitivities: a systematic review of provocation studies

    Das-Munshi J, Rubin GJ, Wessely S

    Published in Journal of Allergy and Clinical Immunology

    Methodology

    Systematic review of 37 blinded provocation challenge studies in multiple chemical sensitivity.

    Key Findings

    Patients could not reliably distinguish active chemical exposure from placebo under blinded conditions, though symptoms were real and disabling.

    Conclusions

    Symptoms in chemical sensitivity are not reproducibly triggered by the specific chemical under blinded challenge.

    Limitations

    Heterogeneous challenge protocols; small samples.

    Outcomes Measured

    Phase II Detox Support

    Blinded challenge studies did not confirm chemical-specific triggering of symptoms.

    Related Health Concerns

    Chemical Sensitivity

    Study Details

    Year:2006
    Sample Size:500
    Quality Score:8/10

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