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Full-Text Articles in Medicine and Health Sciences
The Effects Of Lowering Cholesterol On Vasodilation, Maria Christi Hardt
The Effects Of Lowering Cholesterol On Vasodilation, Maria Christi Hardt
Loma Linda University Electronic Theses, Dissertations & Projects
Endothelial dysfunction has been found prior to any signs of atherosclerotic plaque formation in patients with a variety of risk factors for atherosclerosis. Elevated serum cholesterol has repeatedly been associated with endothelial dysfunction as demonstrated by impaired vasoreactivity to vasodilating stimuli.
The aim of this research was to determine whether short term lowering of serum cholesterol levels by life style changes or by cholesterol lowering medication could reverse or reduce the endothelial dysfunction. The brachial artery diameter was measured by high-resolution ultrasound at rest and during reactive hyperemia pre and postintervention. Fifty-three subjects with cholesterol levels above 240 mg/dl were …
Negotiating The Healthy Self: A Theory Of Health Behavior In Older Adults, Barbara Schwitz White
Negotiating The Healthy Self: A Theory Of Health Behavior In Older Adults, Barbara Schwitz White
Loma Linda University Electronic Theses, Dissertations & Projects
Researchers have identified discrete behaviors of older persons to maintain or improve health and prevent or treat illness. Few have developed theories of health behavior specific to this population. The purpose of this study was to develop a substantive theory to explain how health and illness are integrated into and influence behaviors in the daily lives of community-residing older persons. Using grounded theory design and analysis, 26 participant observations involving 186 individual encounters, and seven semistructured [sic] one-on-one interviews were conducted at two senior centers in urban southern California, between 1992 and 1994.
Informants defined health in terms of physiologic …