Facts COPD at Medline PlusCOPD basics, tutorials, news, clinical trials, information for seniors, and other resources. Information for Patients California Smokers’ HelplineWant help quitting smoking? Call 1-800-NO-BUTTS to access self-help materials, a referral list of other programs, and one-on-one counseling over the phone. Prevention and Control California Smokers’ HelplineWant help quitting smoking? Call 1-800-NO-BUTTS to access self-help materials, a referral list of other programs, and one-on-one counseling over the phone. | Diagnosis and Management Information for Health Professionals Work-Related COPD Information for Health Professionals |