Which of the following risk factors for coronary heart disease enables you to subtract one risk factor from the total amount of positive risk factors?
A. Body Mass Index < 30 kg/m2
B. High serum HDL cholesterol > 60 mg/dl (1.6mmol/L)
C. Fasting blood glucose of < 110mg/dL (6.1 mmol/L)
D. A former cigarette smoker who stopped more than six months ago.
Answer: B