In future studies, Sims says that the researchers should diagnose COPD using a breathing test called spirometry.

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They also created something called a carbon monoxide re-breathing test, which they believe is the most effective way to measure how much hemoglobin an athlete is carrying.

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I'm not sure how your metabolism was tested (it can be tested directly by a breathing test, which is available in some gyms and doctors' offices, or it can be calculated using several different formulas), so the significant drop that you report may not be completely accurate.

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It is possible that Hayzlett, who just released a book, The Mirror Test: Is Your Business Really Breathing?

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In addition to other possible uses, Patwari wants to conduct research with doctors to test his method as an infant-breathing monitor, and, if it proves useful, develop it as a medical device that would need federal approval.

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Even after undergoing successful surgery, she still had trouble breathing in the house and, in early 2008, decided to test the home for mold.

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