HDL-cholesterol

Definition

HDL-cholesterol, or high-density lipoprotein cholesterol, is often referred to as 'good' cholesterol because it helps transport cholesterol from the arteries to the liver for excretion. Higher levels of HDL-cholesterol are associated with a lower risk of cardiovascular disease.

5 Must Know Facts For Your Next Test

1. HDL-cholesterol assists in the removal of excess cholesterol from arterial walls.
2. It is inversely related to the risk of developing atherosclerosis and coronary artery disease.
3. Normal HDL levels are typically considered to be 40 mg/dL or higher for men and 50 mg/dL or higher for women.
4. Certain lifestyle changes, such as regular physical activity and dietary modifications, can help increase HDL levels.
5. Pharmacological agents like niacin and fibrates can be used to raise HDL-cholesterol levels.

Review Questions

• What role does HDL-cholesterol play in cardiovascular health?
• How do normal HDL-cholesterol levels differ between men and women?
• Name two pharmacological agents that can increase HDL-cholesterol levels.

Related terms

LDL-cholesterol:

Low-density lipoprotein cholesterol, often called 'bad' cholesterol because high levels can lead to plaque buildup in arteries.

Apolipoproteins: Proteins that bind lipids to form lipoproteins; they help transport lipids through the lymphatic and circulatory systems.

Triglycerides:

A type of fat found in your blood that your body uses for energy; high levels can increase the risk of heart disease.