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|Author: ||Check This|
|Subject: ||RE: Running in hot weather...|
Type your zip code into weather. com. You will notice that often times weather alerts come in 3's. Severe heat indexes usually correspond with low air quality & high allergen counts...both of which can give you additional breathing problems.
That being said, the heat is enough to cause breathing problems by itself for many reasons. It takes more energy to keep you cool (higher O2 demand). Plus, air becomes less dense as temperature rises, and less air density, means less oxygen per volume (assuming constant pressure).
To combat message board spam (by non runners). We are making people answer a brief question before they can post on a thread that is over 20 days old.
If you answer this question you should be able to post.