Adults: optimal < 3.0 mmol/L; lower targets apply with high cardiovascular risk. (mmol/L)

Hyperthyroidism, malnutrition, severe liver disease.

Diet high in saturated fat, obesity, hypothyroidism, genetics.

If above 3.0 mmol/L, especially with hypertension, diabetes, or smoking.

Question 1

What is LDL Cholesterol?

Accepted Answer

LDL (low-density lipoprotein) carries cholesterol to tissues. High levels promote plaque buildup in arteries and raise cardiovascular risk.

Question 2

What are the normal LDL Cholesterol levels?

Accepted Answer

Adults: optimal < 3.0 mmol/L; lower targets apply with high cardiovascular risk. (mmol/L)

Question 3

What causes low LDL Cholesterol?

Accepted Answer

Hyperthyroidism, malnutrition, severe liver disease.

Question 4

What causes high LDL Cholesterol?

Accepted Answer

Diet high in saturated fat, obesity, hypothyroidism, genetics.

Question 5

When should I see a doctor about LDL Cholesterol?

Accepted Answer

If above 3.0 mmol/L, especially with hypertension, diabetes, or smoking.

LDL Cholesterol

Normal ranges