Cholesterol plays a critical role as a component of cell membranes and also helps the body produce hormones for growth and development. However, too much of a certain type of cholesterol in the blood is a risk factor for heart disease, the number one killer of men and women in the United States. In this issue, Alice H. Lichtenstein, D.Sc., has some simple tips for keeping your blood cholesterol levels in check.
Cholesterol is a fat like, odorless, tasteless substance, produced by the body.
It is present in most of the animal products in diets. Its notoriety is related to its link to cardiovascular disease, the leading cause of death for men and women aged 65 and older. Unfortunately, too much cholesterol can be harmful. Excess cholesterol can collect in blood vessel walls, where it restricts normal blood flow and can lead to heart attack or stroke. The higher an HDL level, the less likely the risk.