A Study to Obtain Normal Values of Inflammatory Variables From Healthy Subjects

Exclusion Criteria

• •Persons who used inhaled or oral corticosteroids during \>5 years, or within the last 5 years.
• •FEV1 \<1.2 L
• •Upper respiratory tract infection (e.g. colds), within 2 months.
• •Pregnancy, or the possibility of being pregnant (i.e. women who do not use adequate anticonception as judged by the investigator).
• •Malignancy within the past 5 years (except for squamous or basal cell carcinoma of the skin that has been treated with no evidence of recurrence).
• •Signs or symptoms of any other concomitant disease that, in the eyes of the investigator, can interfere with the study results.
• •Known recent substance abuse (drug or alcohol).
• •Claustrophobia.