| http://www.w3.org/ns/prov#value | - Endothelial dysfunction is a marker of the earliest stage of atherosclerosis.The significance of this study is that it demonstrates a plausible biologic mechanism by which chronic exposure to secondhand smoke can cause heart disease: repeated damage to the endothelial lining of the coronary arteries could result in a process of atherosclerosis, over a period of many years.But instead of representi
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