A study conducted on fluid dynamics in the arteries of individuals who were having treatment for coronary disease showed a new insight. In these arteries, atherosclerotic plaques seem to spread downstream do do the changes in blood flow patterns that the plaque causes. Stress is a measure of how hard blood is being pulled on the walls of arteries, and this stress cal influence how sticky the cells lining the walls are. Researchers have found that these plaques are often discovered in areas of low stress immediately downstream which can turn to more build up.
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