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Asthma affects 5-10% of people worldwide. The incidence of occupational asthma in adults is unknown. In the United States, it has been estimated to be 15% of all asthma patients. The two categories of asthma in the workplace are occupational asthma and work-related asthma. The former is characterized by variable airflow limitation, bronchial hyperresponsiveness, or both, due to conditions in a...
Epidemiologic studies of occupational lung diseases generally compare symptoms and pulmonary function between groups with differing exposure risks. However, the functional consequences (e.g., on activities of daily life) of statistically significant group differences in either symptoms or pulmonary function are rately addressed. An understanding of this is important for both the scientific investigators...
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