Question 1

What is HDL Cholesterol?

Accepted Answer

HDL (high-density lipoprotein) removes excess cholesterol from tissues to the liver. Higher levels are generally associated with lower cardiovascular risk.

Question 2

What are the normal HDL Cholesterol levels?

Accepted Answer

Men: > 1.0 mmol/L. Women: > 1.2 mmol/L. (mmol/L)

Question 3

What causes low HDL Cholesterol?

Accepted Answer

Smoking, obesity, sedentary lifestyle, diabetes, some medications.

Question 4

What causes high HDL Cholesterol?

Accepted Answer

Regular aerobic exercise, genetics; very high levels are rarely harmful.

Question 5

When should I see a doctor about HDL Cholesterol?

Accepted Answer

If below 1.0 mmol/L (men) or 1.2 mmol/L (women) — assess cardiovascular risk.

HDL Cholesterol

Normal ranges

Causes of deviations

Low levels:

High levels:

When to see a doctor