American Lung Association is the oldest voluntary health organization in the United States fighting lung disease in all its forms, with special emphasis on asthma, tobacco control and environmental health.

Asthma and Allergy Foundation of America provides asthma education, advocacy, research, publications, chapters and support groups. It also has quick facts about asthma, allergies and more.

The Asthma Experience Journal, created by Children's Hospital Boston, is a collection of stories, pictures and personal experiences from families about what it's like to deal with pediatric asthma.

Boston Asthma Initiative provides free bilingual (English and Spanish), asthma educational services to children and families living with asthma in the Boston area.

Boston Public Health Commission talks about healthy homes and what a caregiver needs to know about asthma, lead and injuries to protect their family's health.

Maternal and Child Health Library has resources about asthma in children and adolescents; its management; and its impact on homes, schools and communities. It also features new developments in pediatric asthma research.

Medline Plus: Asthma is a U.S. National Library of Medicine page on asthma.