Inspiratory Flow Parameters and Handling of Easyhaler and Turbuhaler Inhalers

Inclusion Criteria: * Written informed consent obtained. * Documented diagnosis of asthma and/or COPD (a range of different severities for both diseases). * Age: 6 years or above. Exclusion Criteria: * Any severe chronic respiratory disease other than asthma or COPD. * Acute respiratory infection. * Concurrent participation in a clinical drug study. * Inability to perform repeatable spirometric measurements. * Any medical condition that in the opinion of the investigator would endanger the subject if he/she participates in the study (such as contraindications to spirometry).