In a message dated 2/14/2008 1:31:42 A.M. US Eastern Standard Time,  
[log in to unmask] writes:

Does  high altitude in the jet, and/or high altitude in the Rockies, etc., if
we  drive up, cause hyperthyroidism?  Somewhere I read this, but don't  know
where.>>>>>
Holly, 
 
It is less of a "cause" than of a risk factor. Any kind of stress can have  
an adverse effect on your Hypothalamic - Pituitary - Adrenal / Thyroid axis.  
This doesn't mean that it will, just that it will call this system into action, 
 and pre-existing problems can be exacerbated. 
 
However, most people who live in or travel to high altitudes and  never have 
problems. 
 
The only reason we evolved a Neuro-Endocrine system is to adjust our  
Internal Milieu to our External Milieu. So, any change we make in the latter  will 
make some change in the former.
 
I hope this helps.
 
Doc Don
 
(aka D. Michael, MD, PC. MIshawaka, Indiana)






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