Below are some helpful Internet resources on this topic. Mayo Clinic does not own or control any of these sites and is not responsible for their content. Inclusion of these sites does not imply endorsement by Mayo Clinic.
www.nlm.nih.gov/medlineplus
MEDLINEplus National Library of Medicine
www.lungusa.org
American Lung Association
www.thoracic.org
American Thoracic Society
www.nglbi.nih.gov
National Heart, Lung and Blood Institute
www.aarc.org
American Association for Respiratory Care
www.thebreathingspace.com
The Breathing Space
www.noah-health.org
Ask NOAH about COPD and Emphysema
New York Online Access to Health (NOAH)
www.chestnet.org
American College of Chest Physicians