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JANUARY 25, 2006
  Penn to Test New Thermal Energy Procedure to Reduce Asthmatic Symptoms
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During an asthmatic attack, in response to an asthma trigger such as an allergen or irritant, the airway smooth muscle may contract leading to airway narrowing and breathing difficulties. Up until now, asthma has traditionally been controlled either by limiting exposure to particular asthma triggers or by the use of medications.

Image Courtesy: Asthmatx, Inc.

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