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MedlinePlus®

A service of the National Library of Medicine.

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  Allergy and Asthma Network - Mothers of Asthmatics, Inc.
  American Academy of Allergy, Asthma, and Immunology
  American Cancer Society
  American Lung Association
  Asthma & Allergy Foundation of America
CDC: Asthma's Impact on Children and Adolescents
CDC: How to Quit
EPA: Asthma and Indoor Environments
  Merck Childhood Asthma Network
NIH: Asthma
NIH: Asthma and Physical Activity in the School
NIH: National Heart, Lung, and Blood Institute
NIH: National Institute of Environmental Health Sciences