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Definition: What is cholesterol and how does it impact cardiovascular health?

Cholesterol is a waxy, fat-like substance that is found in every cell of the body. It is produced by the liver and is also found in certain foods. While cholesterol is necessary for the body to function properly, having high levels of cholesterol can have a negative impact on cardiovascular health.

Types of Cholesterol

There are two main types of cholesterol:

Low-density lipoprotein (LDL) cholesterol: Also known as “bad” cholesterol, LDL cholesterol can build up in the walls of the arteries, forming plaque. This can lead to a condition called atherosclerosis, which narrows the arteries and increases the risk of heart disease and stroke.

High-density lipoprotein (HDL) cholesterol: Known as “good” cholesterol, HDL cholesterol helps remove LDL cholesterol from the arteries and carries it back to the liver, where it is broken down and eliminated from the body. Higher levels of HDL cholesterol are associated with a lower risk of heart disease.

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Impact on Cardiovascular Health

When there is an imbalance between LDL cholesterol and HDL cholesterol levels in the body, it can lead to various cardiovascular problems. High levels of LDL cholesterol can contribute to the formation of plaque in the arteries, which can restrict blood flow and increase the risk of heart attacks and strokes.

Additionally, if a plaque ruptures, it can cause a blood clot to form, further blocking blood flow. This can result in serious complications, such as coronary artery disease, angina, or peripheral artery disease.

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It is important to maintain healthy cholesterol levels to reduce the risk of cardiovascular diseases. This can be achieved through a combination of a healthy diet, regular exercise, and, in some cases, medication prescribed by a healthcare professional.

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