HEART ATTACK AND HIGH BLOOD PRESSURE: WHY DO CHOLESTEROL AND FAT STICK TO THE ARTERY WALLS?
Posted: April 7th, 2009 | Author: admin | Filed under: Allergies | No Comments »There is little doubt that high levels of fat and cholesterol in the blood contribute to heart attacks. Fats (known technically as lipids) and cholesterol can build up on the walls of any given artery to the point where blood flow is stopped. If this happens to the arteries that feed the heart the heart stops beating and we die of a heart attack.
Over the years a number of theories have gained acceptance only to be challenged by other theories. For the last twenty years the experts have agreed that the smooth inner lining of the artery becomes damaged and that passing fat, cholesterol and blood platelets stick to the damaged roughened section of artery lining forming a little bump. Over time more and more passing fat, cholesterol and blood platelets stick to the little bump that is growing on the artery wall and the bump continues to grow until it blocks the artery off.
There’s no clear consensus on the exact causes of artery wall injury. Cigarette smoke, high levels of fat and haemodynamic stress have all been mooted and there’s every possibility that all can be involved.
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