Posted by Bob P (188.8.131.52) on January 18, 2002 at 10:17:59:
In Reply to: chemical sensitivities and CH posted by steven on January 18, 2002 at 00:31:07:
chemicals don't have squat to do with clusters.
I believe CH is a genetic, physical ailment.
Smells may trigger headaches while you are in an active cluster. Maybe by stimulating the olfactor nerve (after all we know the schnoz is involved by the way it runs or stuffs up during a headache). But the cause of CH is much more complicated than chemical sensitivity.
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