HDL Cholesterol (HDL) – DM6 Health


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HDL Cholesterol (HDL)


What is HDL cholesterol?

HDL cholesterol, also known as high-density lipoprotein cholesterol, is a type of cholesterol that is carried in the blood by protein particles called lipoproteins. HDL cholesterol is often referred to as "good" cholesterol because it helps to remove excess cholesterol from the body and prevent it from accumulating in the blood vessels.

Why is it important to test for HDL cholesterol?

Measuring the level of HDL cholesterol in the blood is an important part of evaluating an individual's risk of developing heart disease and other cardiovascular conditions. Higher levels of HDL cholesterol are generally associated with a lower risk of heart disease, while lower levels of HDL cholesterol may increase the risk of developing cardiovascular problems.

How is HDL cholesterol tested?

HDL cholesterol is typically measured as part of a lipid panel, which is a blood test that measures the levels of various types of cholesterol and triglycerides in the blood. The test is usually performed in a laboratory and requires a blood sample, which is typically drawn from a vein in the arm.

What is the normal range for HDL cholesterol levels?

The normal range for HDL cholesterol levels varies by age and sex. In general, an HDL cholesterol level of 60 mg/dL or higher is considered desirable, while levels below 40 mg/dL are considered low. However, it is important to note that these ranges may vary based on an individual's overall health and risk factors for heart disease.

What factors can affect HDL cholesterol levels?

There are several factors that can affect the level of HDL cholesterol in the blood, including genetics, diet, physical activity, and certain medications. Smoking, excessive alcohol consumption, and obesity can also lower HDL cholesterol levels.

Can lifestyle changes affect HDL cholesterol levels?

Yes, making lifestyle changes such as eating a healthy diet, exercising regularly, and quitting smoking can help to improve HDL cholesterol levels. In some cases, medications may also be used to increase HDL cholesterol levels.

What are the potential complications of low HDL cholesterol?

Low HDL cholesterol levels can increase the risk of developing heart disease and other cardiovascular conditions. These conditions can lead to serious complications such as heart attack, stroke, and angina.

How often should HDL cholesterol be tested?

The frequency with which HDL cholesterol should be tested varies based on an individual's overall health and risk factors for heart disease. In general, it is recommended that adults have their lipid panel (including HDL cholesterol) tested every 5 years, or more frequently if they have risk factors for heart disease.


National Heart, Lung, and Blood Institute. (2021). High Blood Cholesterol. Retrieved from https://www.nhlbi.nih.gov/health-topics/high-blood-cholesterol

American Heart Association. (2021). HDL (Good) Cholesterol. Retrieved from https://www.heart.org/en/health-topics/cholesterol/hdl-good-cholesterol

Mayo Clinic. (2021). Lipid panel. Retrieved from https://www.mayoclinic.org/tests-procedures/lipid-panel/about/pac-20384907

Centers for Disease Control and Prevention. (2021). Cholesterol levels: What you need to know. Retrieved from https://www.cdc.gov/cholesterol/what-you-need-to-know.htm

American Heart Association. (2021). Factors that Affect Cholesterol Levels. Retrieved from https://www.heart.org/en/health-topics/cholesterol/about-cholesterol/factors-that-