A few days of fun in Baltimore (January 1953) I arrived in New York City, Kennedy Airport, took a taxi ride to the Pennsylvania train station and I was on my way to Baltimore. I was exhausted, a little sad to leave family, as well as apprehensive about my job in Utah. The three-hour ride gave me a chance to ask myself if I had made the right decision. I could have stayed in France, and found a ...

Importance Home aeroallergen exposure is associated with increased asthma morbidity in children, yet little is known about the contribution of school aeroallergen exposures to such morbidity. Objective To evaluate the effect of school-specific aeroallergen exposures on asthma morbidity among students, adjusting for home exposures. Design, Setting, and Participants The School Inner-City Asth...

The 3-hydroxy fatty acids (3-OHFAs) in lipopolysaccharides (LPS) play an important role in determining endotoxin activity, and childhood exposure to endotoxin has recently been associated with reduced risk of atopic diseases. To characterize the 3-OHFAs in house dust (HD), we used gas chromatography-mass spectrometry to assay 190 HD samples. Dust from beds, bedroom floors, family rooms, and kit...

The levels and composition of agricultural dusts are influenced by animal species, production strategy, housing type and ventilation efficiency. Agricultural dust within animal houses is complex and consists of feed particles, microbes and their products, dander, fecal matter, gases, metals and other organic and inorganic components. Livestock and poultry production facilities may be categorize...

Particulate matter is a natural part of the atmosphere, where the solid or liquid particles are suspended in the air. These suspended particles, also known as suspended particulate matter represents a dispersion aerosol system. In the air there are many types of microscopic airborne particles originated from both natural and anthropogenic processes, such as atmospheric clouds of water droplets,...

OBJECTIVE This paper sought to examine which pre- and post-migration factors might be associated with changes in refugees' health status. METHODS Using linear regression, the associations between pre- and post-migration factors and changes in self-rated mental and physical health status were examined in 525 refugees from the 1998 Settlement Experiences of Refugees in Alberta study. RESULTS ...