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RATIONALE Exposure to ambient ultrafine particles has been associated with cardiopulmonary toxicity and mortality. Adverse effects specifically linked to ultrafine particles include loss of sympathovagal balance and altered hemostasis. OBJECTIVES To characterize the effects of acute exposure to ambient ultrafine particles in young healthy humans. (More)
The potential effects of combinations of dilute whole diesel exhaust (DE) and ozone (O3), each a common component of ambient airborne pollutant mixtures, on lung function were examined. Healthy young human volunteers were exposed for 2 hr to pollutants while exercising (~50 L/min) intermittently on two consecutive days. Day 1 exposures were either to(More)
BACKGROUND Exposure to ambient particulate matter (PM) induces endothelial dysfunction, a risk factor for cardiovascular disease. Olive oil (OO) and fish oil (FO) supplements have beneficial effects on endothelial function. OBJECTIVE In this study we evaluated the potential efficacy of OO and FO in mitigating endothelial dysfunction and disruption of(More)
CONTEXT Exposure to air pollution can result in the onset of arrhythmias. CASE PRESENTATION We present a case of a 58-year-old woman who volunteered to participate in a controlled exposure to concentrated ambient particles. Twenty minutes into the exposure, telemetry revealed new onset of atrial fibrillation. The exposure was discontinued, and she(More)
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