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Debate and discussion of any biological questions not pertaining to a particular topic.

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Postby gumshoes_15 » Mon Mar 19, 2007 2:18 am

Why is the pH in our exhaled breath or even in our lungs is lower when there is asthma or lung disease? Does it have something to do with inflammation?
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Postby Dr.Stein » Mon Mar 19, 2007 10:20 am

Wow, I am new to this! I have asthma but I never measure pH thing. Well, asthma can be caused by several things, infection, allergy....
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Postby Darby » Mon Mar 19, 2007 2:53 pm

There seems to be some disagreement as to whether this is a real thing or not - there may be changes in things like saliva that may be affecting exhalation pH.

Anyway, there is an apparent rise in nitric acid content, possibly associated with inflammation. It might reflect increased production or reduced absorption by lining cells.
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Postby loveangel » Tue Mar 20, 2007 5:41 am

asthma can be inherit.
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