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About Cholesterol
While some cholesterol comes from your diet, about 80% of cholesterol is made in the liver. Cholesterol is used to make the building blocks of the body (cells) and hormones. High cholesterol is very common and it does not cause any signs and symptoms that you can feel until arteries and veins are blocked.
Cholesterol is a fatty substance your body needs to rebuild its cells and to make certain hormones. It's carried throughout your body in your bloodstream. Your body only requires a small amount of cholesterol. more >>
A stress test (or exercise test) is used to check how well the heart performs while under the physical stress of doing exercise, such as walking or running on a treadmill. more >>
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