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HDL cholesterol: How to boost your 'good' cholesterol

What are optimal levels of HDL cholesterol?

Cholesterol levels are measured in milligrams (mg) of cholesterol per deciliter (dL) of blood or millimoles (mmol) per liter (L). When it comes to HDL cholesterol, higher numbers are better.

At risk Desirable
Men Less than 40 mg/dL (1.0 mmol/L) 60 mg/dL (1.6 mmol/L) or above
Women Less than 50 mg/dL (1.3 mmol/L) 60 mg/dL (1.6 mmol/L) or above

To some extent, people who have naturally higher levels of HDL cholesterol are at lower risk of heart attack and stroke. It's less clear whether that same benefit holds true for people who increase their HDL levels with medications.

Lifestyle changes known to increase HDL, such as moving more, quitting smoking or improving your diet, have been shown to lower the risk of heart attacks, However, medications that specifically increase HDL levels have failed to reduce the rate of heart attacks.

Oddly enough, people who naturally have extremely high HDL levels — above 100 mg/dL (2.5mmol/L) — appear to be at higher risk of heart disease. This may be caused by genetic factors.