American Heart Association, Inc.
http://www.americanheart.org/presenter.jhtml?identifier=183
Healthy cholesterol levels for optimum heart health.
http://www.annecollins.com/healthy-cholesterol-levels.htm
According to data from the National Stroke Association, up to 40 percent of patients who have had a stroke will experience a second stroke within five years of the first.
http://www.medicalnewstoday.com/medicalnews.php?newsid=49309
Blood Cholesterol Levels
What you should do.
http://www.lifeclinic.com
People at high risk of heart disease may need even lower targets for their cholesterol numbers than other adults do.
http://www.mayoclinic.com
Doctors have long warned about the health hazards of high cholesterol but a growing body of evidence indicates that very low cholesterol can be dangerous too.
http://www.pslgroup.com