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Background Hypoxemia is a major complication of COPD and is a strong predictor of mortality. We previously identified independent risk factors for the presence of resting hypoxemia in the COPDGene cohort. However, little is known about characteristics that predict onset of resting hypoxemia in patients who are normoxic at baseline. We hypothesized that a combination of clinical, physiologic, and radiographic...
Caffeine is the most widely used central nervous system stimulant, regularly consumed by 80 percent of adults throughout the world. It is present in coffee, tea, many soft drinks (including colas, Mountain Dew, and Mello Yello), and chocolate. Recently, it has been added to bottled spring water, such as Verifine Fruit2O Plus: Citrus Energy. Caffeine is a component of most beverages marketed as energy...
E-cigarette use has increased rapidly over the past decade. There is growing concern about e-cigarette use and advertising given limited regulation of these products. This cross-sectional study reports on data collected at baseline from hospitalized cigarette smokers (N = 944) recruited in monthly cohorts between December 2012 and September 2013. Participants were queried regarding e-cigarette awareness...
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