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A New Breath-Holding Test May Noninvasively Reveal Early Lung Abnormalities Caused by Smoking and/or Obesity  

August 1, 2009; 136 (2)
Jump to full article: Chest, 2009-08-01

Intro:

Conclusions: A new test that measures oxygen saturation during breath-holding reveals early lung abnormalities in subjects who either smoke or are overweight, especially if these factors are combined. Peripheral airway abnormalities and/or lung volume reduction may play roles in the greater desaturation.

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