Chamber challenges: the necessity of objective observation

The specialty of Allergy-Immunology has used human challenge testing
procedures to test theories of causal relationships for
decades. This includes highly characterized airborne
allergens and chemicals with allergic sensitization
potential. The utility of such testing to establish allergic
sensitivity is well accepted. The causal relationship of
chemical exposure and myriad clinical syndromes is a very
contentious issue. The completion of the challenge chamber
facility at EPA's Human Exposure Research Facility presents a
grand opportunity for government investigators to work
harmoniously with other government investigators in an effort
to bring the redeeming spotlight of scientific discipline to
the testy considerations of multiple chemical sensitivity,
chronic fatigue, and Gulf War illness phenomena.

Selner JC

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