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Health topics
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Health topics
Health topics
Health topics
Health topics
… can move air in and out of the lungs and how much is moved. Testing of daytime changes in peak expiratory flow (PEF) may … that cause an allergic reaction. For more information about testing for triggers, see the topic Allergic Rhinitis . … asthma and react to allergens , you may need to have skin testing for allergies. Immunotherapy, such as allergy shots …