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One of the most common problems to affect the circulatory system is atherosclerosis or “hardening of the arteries.” Atherosclerosis is the buildup of cholesterol and calcium deposits (called plaques) inside the lining of the arteries. As plaques grow, the arteries become narrow. As a result, less blood is able to flow through the arteries, and less oxygen reaches the tissues that are supplied by those arteries.

Atherosclerosis is the buildup of waxy deposits called plaques inside the arteries. Continue reading ‘Atherosclerosis: One of the most common problems in old age’ »

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Your heart and blood vessels make up your circulatory system, which supplies oxygen and nutrients to every cell in your body. A healthy circulatory system is the key to a physically robust life at any age, but especially as you get older. To a great extent, the health of your heart and blood vessels determines how far you can walk, how late you can dance, and how long you can garden.

The heart is a muscle with four hollow chambers. When it contracts, it pushes blood out through the arteries to the lungs, where the blood picks up oxygen. From the lungs, the oxygen-rich blood returns to the heart and is pumped to the rest of the body. Once the blood has delivered oxygen to the cells, it circulates through the veins back to the heart, where the whole process starts again.

Continue reading ‘Heart and Circulation Problems in Old Age’ »

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