Promotion and relegation rules for the top few levels. For example, here are the promotion and relegation rules for the top few levels of the English football league system: Premier League (level 1, 20 teams): No promotion. Bottom three teams are relegated.
Peripheral vascular disease (PVD), or atherosclerosis of peripheral vessels, is the most common cause of symptomatic stenosis in the human vascular tree. The pathogenetic mechanisms that lead to PVD are similar to those of coronary artery disease (CAD).
This progressive process silently and slowly blocks arteries, putting blood flow at risk. Atherosclerosis is the usual cause of heart attacks, strokes, and peripheral vascular disease -- what together are called  cardiovascular disease ..Cardiovascular disease is the No. 1 killer in America, with more than 800,000 deaths in 2005.his progressive process silently and slowly blocks arteries, putting blood flow at risk. Atherosclerosis is the usual cause of heart attacks, strokes, and peripheral vascular disease -- what together are called  cardiovascular disease ..