The association between particulate air pollution and asthma medication use and symptoms
was assessed in a panel study of 53 adult asthmatics in Erfurt, Germany in winter …

Airborne particles are associated with adverse health effects and contribute to excess
mortality in epidemiological studies. A recent hypothesis proposes that the high numbers of …

The association between fine and ultrafine particles and respiratory health was studied in
adults with a history of asthma in Erfurt, Eastern Germany. Twenty-seven nonsmoking …

Fine and ultrafine particles in ambient air are more consistently associated with severe
adverse health effects than coarse particles. We assessed whether the effects of PM 2.5 on …

Particulate air pollution is associated with asthma exacerbations and increased morbidity
and mortality from respiratory causes. Ultrafine particles (particles less than 0.1 μ m in …

Background Particulate matter air pollution has been associated with adverse health effects.
The fraction of ambient particles that are mainly responsible for the observed health effects …

Ambient air particles in the ultrafine size range (diameter< 100 nm) may contribute to the
health effects of particulate matter. However, there are few data on ultrafine particle …

Objective: Dust generating events frequently produce ambient dust particles that are less
than 10 µm in diameter, and these have been linked to adverse effects in the general …

Objectives Increased air pollutant concentrations have been linked to several asthma-
related outcomes in children, including respiratory symptoms, medication use, and hospital …

Objectives: Misclassification of exposure related to the use of central sites may be larger for
ultrafine particles than for particulate matter⩽ 2.5 μm and⩽ 10 μm (PM2. 5 and PM10) and …