Asthma overview

This video gives an overview information about asthma is a disorder that causes the airways of the lungs to swell and narrow, leading to wheezing, shortness of breath, chest tightness, and coughing.

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Tags: Medicine

Uploaded by: ( Send Message ) on 23-04-2009.

Duration: 2m 23s

Dnatube: Sciencific and Medical video site.