Asthma is a substantial health problem among children and adults worldwide, with high and
increasing prevalence rates., in many countries,' a substantial morbidity-reflected in hospital …

Background: As part of the International Study of Asthma and Allergies in Childhood
(ISAAC), prevalence surveys were conducted among representative samples of school …

Environmental factors have a key role in the genesis of asthma. Epidemiological studies are
starting to provide information'-' on the relevant environmental determinantsLmg and are for …

Background: Variations in the prevalence of atopy could provide important clues to the
etiology of atopy and asthma. Although estimates of prevalence are available from different …

Attempts to compare bronchial responsiveness between populations have been hampered
by between-study differences in the pharmacological agent of provocation, the method of …

Background: Allergen sensitization is associated with asthma and allergic disease in
children, but such a relationship has not been confirmed in Chinese populations. Objective …

Understanding of geographical differences in asthma prevalence may be helpful in
explaining recent increases in the occurrence of asthma. We wondered whether differences …

Editor—Readers of Ann J Woolcock's editorial about our paper may have wondered at her
comments on the seasonality of deaths due to asthma1 although data on this were not …

A multicentre survey of prevalence, determinants and management of asthma (the European
Community Respiratory Health Survey (ECRHS)) has shown that the ratio of subjects …

Besides environmental triggers, a family history of asthma is a strong risk factor for the
development of asthma in offspring. The pooled data from 13,963 interviews of randomly …