IAN BODDY / SCIENCE PHOTO LIBRARY IAN BODDY / SCIENCE PHOTO LIBRARY
Children using asthma inhaler. Five-year-old girl pumping an aerosol inhaler though an expansion chamber for a five-year-old asthmatic boy. The chamber provides a better delivery of the bronchodilator drug used to relive the symptoms of asthma than using the inhaler on its own. Bronchial asthma causes sufferers to have paroxysmal attacks of bronchospasm resulting in severly restricted breathing.
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