Several studies have found an association between overweight and asthma, yet the temporal relationship between their onsets remains unclear. We investigated the development of body mass index (BMI) from birth to adolescence among 2,818 children with and without asthma from a Swedish birth cohort study, the BAMSE (a Swedish acronym for "children, allergy, milieu, Stockholm, epidemiology") Projec...

BACKGROUND It is well known that the prevalence of asthma has been reported to increase in many places around the world during the last decades. Therefore, the aim of this study was to identify and review studies of asthma prevalence among children in China and address time trends and regional variation in asthma. METHODS A systematic literature search was performed using PubMed and China Nat...

BACKGROUND Despite its high prevalence, early onset and chronic nature, the causes of asthma are not clearly established. The present study examined a plausible but untested relationship in the development of non-allergic asthma; an asthma phenotype closely linked to deprivation and other preventable risk factors. Our aim was to determine the mediating role of adiposity in the relationship betw...

Background: The international study of asthma and allergies in childhood (ISAAC) is used to define the prevalence and severity of asthma in different regions. In this study we followed the performance of the ISAAC video and written questionnaires (VQ and WQ) to classify asthma in 13-14 yr-old schoolchildren. Methods: The present study was carried out on 3540 schoolchildren 13 to 14-yrs-old us...

Background & Objective: Allergies are manifested with a variety of signs and symptoms. In this study, the frequencies of asthma symptoms, allergic rhinitis, eczema, and related factors among 6- to 7-year-old schoolchildren were investigated. Materials & Methods: This cross-sectional study was carried out among schoolchildren of 35 elementary schools of Zanjan by using the International Study o...

he understanding of childhood asthma has increased substantially since the publication of the Thoracic Society of Australia and New Zealand (TSANZ) position statement The role of corticosteroids in the management of childhood asthma in 2002.1 In particular, recognition of the need for separate asthma management guidelines for children aged 5 years or younger has increased,' and considerably mor...

BACKGROUND Recent investigations suggested that the trend of childhood asthma has been stabilizing or even reversing in some countries. The observation provides contrast to our experience. Thus, the study aimed to investigate the prevalence and clinical features of asthma in children aged 0-14 years in Qingdao China, determine the changes of childhood asthma in China, and discover evidence that...

OBJECTIVE To examine if exposure to environmental tobacco smoke (ETS) during childhood has an impact on asthma prevalence in adults, and to identify the amount of nuisance from ETS and other lower airway irritants (LAWIs) in a city population. DESIGN A postal survey. SETTING The municipality of Orebro, Sweden. PARTICIPANTS A total of 8,008 randomly selected inhabitants aged 15 to 69 years...

background : asthma is the most common disease in childhood which is considered as the forerunner of the acute diseases and simply can cause disability among the children. since childhood and adolescence are the most important periods of growth and perfection and incidence of asthma can bring about distortion in this process, the present study done aimed to assess the effect of conducting high ...