Adherence to asthma, COPD medications varies by age Disclosures: Anderson reports he served as a consultant for GlaxoSmithKline; received grants from HRSA; and received funding from the Colorado Medicaid Upper Payment Limit Program. Stempel is a clinical consultant to Propeller Health. Please see the study for all other authors’ relevant financial disclosures. ADD TOPIC TO EMAIL ALERTS Receive an email when new articles are posted on Please provide your email address to receive an email when new articles are posted on . Subscribe ADDED TO EMAIL ALERTS You've successfully added to your alerts. You will receive an email when new content is published.