The American Heart Association provides a set of guidelines for fasting LDL levels and risk for heart disease.
See also: Cholesterol, High density lipoprotein
... 22.3% under the age of 18, 6.3% from 18 to 24, 31.0% from 25 to 44, 26.9% from 45 to 64, and 13.5% who are 65 years of age or older. The median age is 40 years. Fo ...