There is a growing desire to explain the worldwide rise in the prevalence of atopic dermatitis
(AD). Trend data on the burden of AD suggest that the picture in the developing world may …

Objectives Many studies have shown consistent associations between evident indoor
dampness or mold and respiratory or allergic health effects, but causal links remain unclear …

Background Cities are home to over half the global population; that proportion is expected to
rise to 70% by mid-century. The urban environment differs greatly from that in which humans …

Preschool children (ie, those aged 5 years or younger) with wheeze consume a
disproportionately high amount of health-care resources compared with older children and …

We reviewed the main epidemiological studies that evaluate the respiratory effects of indoor
air pollutants quantitatively in industrialised countries. Consistent results support short-term …

Children with asthma who live in urban neighborhoods experience a disproportionately high
asthma burden, with increased incident asthma and increased asthma symptoms …

Background: Urban landscape elements, particularly trees, have the potential to affect
airflow, air quality, and production of aeroallergens. Several large-scale urban tree planting …

There is a considerable body of evidence which warrants scepticism about the hygiene
hypothesis. However, these anomalies contradict the 'narrow'version of it in which microbial …

Atopic dermatitis (AD) prevalence is rising worldwide. Literature data suggest the incidence
of AD in developing countries is gradually getting close to that of developed ones, in which …

Asthma is the most commonly reported chronic condition of childhood in developed
countries, with 6.5 million children affected in the USA. A disparate burden of childhood …