High Density Lipoprotein Cholesterol

High density lipoprotein (HDL) cholesterol is the “good” form of cholesterol. The higher the ratio between HDL and total cholesterol, the better.

The normal range in an adult male is 0.9 to 2.0 mmol/L., and in a female 1.0 to 2.2 mmol/L.

With low levels there is an increased risk of hardening of arteries (atherosclerosis), stroke and heart attack, but low levels may be normal in pregnancy. High levels lower the risk of arteriosclerosis.

Cholesterol shown in an artery with high density lipoproteins and low density lipoproteins

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