When arteriosclerosis occurs in the vessels of the brain, the roughened spots on the vessel linings may cause the blood flowing over them to clot. Or the vessels may become partially or completely occluded; fatty deposits may weaken the vessel walls and rupture and bleeding result. In either case, part of the brain is injured and the person has an “apoplectic stroke”.
Cholesterol is a complex, wax-like substance. An excess, along with other fatty substances, can become deposited in the walls of the blood vessels. This leads to atherosclerosis. The cells of the blood vessels react to cholesterol as to a foreign substance. Scar tissue is laid down around it to wall it off. It is this walling off that distorts and obstructs the normally smooth, round contour of the blood vessels and produces arteriosclerosis.
When excessive cholesterol obstructs the arteries, there is a great risk of high blood pressure. Furthermore, people with high blood pressure often not only have atherosclerosis but an ailment of the middle part of the artery wall called the “media”. It is known that the atheroma (fatty substance), the scar formations of the lining of the arteries, as well as the degeneration of the middle part of the artery wall concur with high blood pressure. There is a direct relationship between these factors and the duration and height of the blood pressure.
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