Cholesterol is a waxy, fat-like substance found in all cells of the body and is essential for the formation of certain hormones, vitamin D, and bile acids that help digest fat. There are several types of cholesterol, which are typically classified based on their lipoprotein carriers:
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Low-Density Lipoprotein (LDL) Cholesterol:
- Often referred to as "bad" cholesterol.
- High levels of LDL can lead to a buildup of cholesterol in the arteries, increasing the risk of heart disease and stroke.
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High-Density Lipoprotein (HDL) Cholesterol:
- Known as "good" cholesterol.
- HDL helps transport cholesterol away from the arteries and back to the liver, where it can be processed and removed from the body. Higher levels of HDL are associated with a lower risk of heart disease.
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Very Low-Density Lipoprotein (VLDL) Cholesterol:
- Another type of "bad" cholesterol.
- VLDL primarily carries triglycerides, a type of fat, in the blood. Like LDL, high levels of VLDL can contribute to the buildup of plaque in the arteries.
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Intermediate-Density Lipoprotein (IDL) Cholesterol:
- This is a transitional form of lipoprotein between VLDL and LDL.
- It is less common but can also contribute to the buildup of cholesterol in the arteries.
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Triglycerides:
- While not a type of cholesterol, triglycerides are often measured alongside cholesterol levels.
- High levels of triglycerides can increase the risk of cardiovascular disease, particularly when combined with high LDL or low HDL levels.
To maintain heart health, it is important to manage cholesterol levels, which can be influenced by diet, exercise, genetics, and lifestyle choices. Regular check-ups can help assess cholesterol levels and overall cardiovascular health.