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Uploaded by MarkGlass1 on Nov 26, 2009
Describes how asthma and heart attack can be be produced by mouth breathing during exercise and AVOIDED IF YOU BREATH THROUGH NOSE DURING EXERCISE
Education
Standard YouTube License
Sir, please do not say the word "fact" again. :)
Runaholism 2 years ago
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Sir, please do not say the word "fact" again. :)
Runaholism 2 years ago