The goal of this study was to determine how high-frequency inspiratory sounds (HFIS) are generated by sleeping children with obstructive sleep-disordered breathing (OSDB). We hypothesized that HFIS are generated when a high-velocity jet of air, generated by a narrowed upper airway, induces the upper airway to act as a resonating chamber. We tested two predictions of this hypothesis: 1) the uppe...

BACKGROUND Mixed evidence exists with respect to the association between household food insecurity (HFIS) and obesity in low-to-middle income countries (LMICs), particularly among women. This study aimed to measure socioeconomic correlates of HFIS and explores its association with dietary intake and odds of obesity among mothers in Lebanon, a middle-income country undergoing nutrition transitio...

Chromosome aberrations (CAs) and sister chromatid exchanges (SCEs) frequencies were estimated in peripheral lymphocytes from 21 radiology technicians, and from 21 non-exposed control subjects. We exclusively considered individuals who neither smoke nor consume drugs or alcohol for a period of at least two years prior to the analysis. Significant differences were found between exposed and contro...

Characterizing the spatial variation of traffic-related air pollution has been and is a long-standing challenge in quantitative environmental health impact assessment of urban transportation planning. Advanced approaches are required for modeling complex relationships among traffic, air pollution, and adverse health outcomes by considering uncertainties in the available data. A new hybrid fuzzy...

• Defines concepts describing how people contribute to safe/effective rail operations. Provides a framework for designers/safety experts understand human functions. Applies the setting identify safety-relevant Presents potential application new technical challenges and other domains. This paper presents express role of in establishing maintaining system safety. The Human Functions Safety (HFiS)...

Abstract Arctic ice shelves have declined over the past several decades, one of many indications a rapidly changing cryosphere. Here we use collection off-nadir Landsat 8 images, 1978 digital orthophotograph and photogrammetrically derived DEM, satellite altimetry other data to examine causes an ice-shelf retreat in northernmost Greenland, Hunt Fjord Ice Shelf (HFIS). HFIS has distinct provenan...