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Old 03-09-2011, 12:41 PM
 
Location: Denver, CO
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If you're going from a high mountain town to sea level then maybe, but just remember that most commercial airliners are pressurized for about 10,000 feet. If you're going from, say, Denver to sea level I think it's pretty unlikely that the problems are altitude related and probably have more to do with having become unaccustomed to a different set of pollens and allergens.
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Old 03-09-2011, 05:20 PM
 
Location: Colorado Springs
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Quote:
Originally Posted by zenkonami View Post
If you're going from a high mountain town to sea level then maybe, but just remember that most commercial airliners are pressurized for about 10,000 feet. If you're going from, say, Denver to sea level I think it's pretty unlikely that the problems are altitude related and probably have more to do with having become unaccustomed to a different set of pollens and allergens.
No, that's not true. It varies a great deal from person to person. Having just moved here last June from sea level (Bangkok, Thailand), it wasn't pollen and allergy that led to my blood pressure issues. Two different doctors both said it was directly related to elevation and blood pressure, and after almost 10 months it finally straightened itself out, and was -- in part -- directly related to thickness of the blood, which is quite well documented.
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Old 03-10-2011, 07:44 AM
 
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phetaroi,
What do you mean by thickness of the blood---does thicker blood have more trouble with altitude adjustments?
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Old 03-10-2011, 10:09 AM
 
Location: Colorado Springs
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Originally Posted by mountainrose View Post
phetaroi,
What do you mean by thickness of the blood---does thicker blood have more trouble with altitude adjustments?
As it was explained to me by two doctors, perhaps saying thickness of the blood is not the right phrase. As one source says, "One of the body's reactions to high altitude is water dumping to allow the blood to carry more oxygen."
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Old 03-10-2011, 05:41 PM
 
1,389 posts, read 2,625,935 times
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Quote:
Originally Posted by phetaroi View Post
As it was explained to me by two doctors, perhaps saying thickness of the blood is not the right phrase. As one source says, "One of the body's reactions to high altitude is water dumping to allow the blood to carry more oxygen."
Not quite correct. There is an increase in Hematocrit (i.e., the ratio of red blood cells to total blood volume). The increase in the number of red blood cells is in response to the lower oxygen saturation at altitude. While the "thickness" or viscosity of the blood does marginally increase, it should not cause significant changes in blood pressure.
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