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Functions and Sources of Cholesterol, HDL, LDL
Cholesterol
intake should not exceed 300 milligrams a day. Individuals differ on their
absorption of dietary cholesterol, what is important is one’s level
of blood cholesterol. High blood cholesterol has been linked to the occurrence
of atherosclerosis. Atherosclerosis is a buildup of fatty deposits in
the coronary arteries and other blood vessels, and is a leading cause
of heart attacks.
Dietary
cholesterol is only found in foods from animal sources,
including meat, fish, milk, eggs, cheese, and butter. You may have heard
the terms HDL and LDL discussed in relation to blood cholesterol and heart
disease. HDL and LDL are lipoproteins, substances found in the bloodstream,
that transport cholesterol and triglycerides in the body.
| •
HDLs help remove cholesterol from the blood, protecting you
from heart disease (atherosclerosis). • LDLs are thought to deposit cholesterol in artery walls, increasing your risk of heart disease (atherosclerosis). Most abundant type, LDL carries approximately 65% of the total circulating cholesterol. High levels of LDL are associated with atherosclerosis. |
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