Smokers and patients with smoking history have generally been excluded from previous
studies on asthma, and therefore relatively little is known about the effect of smoking on …

Background Asthma is a common chronic disease characterised by variable respiratory
symptoms and airflow limitation, affecting roughly 4%–10% of the adult population. Adult …

Rationale Long-term prognosis of adult-onset asthma is poorly known. Objective To
evaluate 12-year prognosis of adult-onset asthma and the factors associated with disease …

Adult-onset asthma is the predominant phenotype of asthma with a worse prognosis and
lower remission rate than in childhood asthma. Primary health care has the main …

Background The aim was to identify risk factors for severe adult-onset asthma. Methods We
used data from a population-based sample (Adult Asthma in Finland) of 1350 patients with …

Background and objective: Asthma is a major public health concern. The aim of this study
was to characterize a large population-based cohort of adults with asthma, and to study …

Background Asthma is characterised by variable symptoms of wheeze, shortness of breath,
chest tightness and/or cough, and by variable expiratory flow limitation. 1 Asthma can affect …

Background: Information on the epidemiology of asthma in relation to age is limited and
hampered by reporting error. To determine the change in the prevalence of asthma with age …

Background: Asthma may begin at any age. However, knowledge about the relationship
between age at asthma diagnosis and asthma symptoms is still scarce. Objectives: To test …

Background: Comorbidities seem to be more common in subjects with than without asthma.
However, studies comparing chronic diseases in subjects with and without asthma …