Clinical and experimental allergy : journal of the British Society for Allergy and Clinical Immunology
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Lower prevalence rates of allergic diseases in rural as compared with urban populations have been interpreted as indicating an effect of air pollution. However, little is known about other factors of the rural environment which may determine the development of atopic sensitization and related diseases. ⋯ Factors directly or indirectly related to farming as parental occupation decrease the risk of children becoming atopic and developing symptoms of allergic rhinitis.
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Good asthma control requires optimal medical treatment in conjunction with appropriate self-management. In the West, the effectiveness of patient education on improving self-management has been well documented. However, data amongst Asian populations are lacking. We performed a pilot study to evaluate the efficacy of a hospital based education programme aimed at improving self-management skills and reducing morbidity in a Chinese population with low socioeconomic status and education level. ⋯ We conclude that patient education is likely to be an essential component in the holistic approach to the management of asthma even amongst Asian populations of low socioeconomic status and education level. Further studies using randomised controlled trials are necessary to consolidate our findings.
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Eighty per cent of all childhood asthma has its onset by 3 years of age. A similar percentage of childhood asthma is associated with atopy (presence of allergic rhinitis or eczema and/or positive skin prick tests). Defined risk factors for childhood asthma include allergen exposure, environmental tobacco smoke, viral respiratory illness, the presence of other atopic disease, and gender. Although a large percentage of children will have remission of asthma as they grow, they will retain the intermediate phenotypes of increased airway responsiveness and allergen and, therefore, be at risk of recrudescence of disease in adult life.