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CHOLESTEROL
What Is
Cholesterol?
Everyone has cholesterol. Your body needs cholesterol to produce cell
membranes and some hormones. Cholesterol is a soft wax-like substance in your
bloodstream and in your cells. When you have too much of the wrong kind of
cholesterol, you could increase your risk for developing heart disease, heart
attacks and other heart disease complications.
Your body gets cholesterol in two ways: your body makes some of it
and the rest comes from your diet. Eating too much of foods with high
cholesterol can hurt you. These foods are animal products such as meats,
poultry, fish, eggs, butter and whole milk. Plant foods such as fruit,
vegetables and cereal don't have cholesterol.
But beware. Some foods that don't have animal products may have trans
fats, which cause your body to create more cholesterol. Also, getting too much
saturated fat found in foods such as some vegetable oils and items made with
them can also cause the body to make too much
cholesterol.
Good and bad
Cholesterol can't dissolve in the blood and is carried from cell to
cell by lipoproteins. You have two types of these lipoproteins. Low-density
lipoprotein, or LDL, is known as the "bad" cholesterol. Too much can cause your
arteries to clog.
High-density lipoprotein, or HDL, is known as the "good" cholesterol.
You want to have this in your body because it protects you by carrying
cholesterol away from your arteries and may even help reduce your risk of heart
attack.
Your triglyceride level is also important in your cholesterol
picture. Triglycerides are the chemical form in which most fat exists in food
and in the body. They come from fats found in foods and are also made in the
body. Calories not used right away are changed to triglycerides and stored in
fat cells. Between meals, your hormones regulate the release of triglycerides to
give you energy.
High levels of triglycerides are associated with a high risk of heart
attack and stroke. People who have high triglyceride levels also have high total
cholesterol, high LDL cholesterol and low HDL. People with diabetes or who are
obese tend to have a high triglyceride level as
well.
Your total blood cholesterol level
Blood cholesterol is measured in milligrams per deciliter of blood
(mg/dL). Your total blood cholesterol generally falls into these
categories:
- Desirable - Less than 200 mg/dL.
- Borderline high risk - 200 to 239 mg/dL.
- High risk - 240 mg/dL and higher.
Prognosis
You can reduce unhealthy cholesterol levels by eating foods low in
saturated fats, cholesterol and trans fats. Exercise and weight loss can also
help. If you have tried reducing cholesterol through diet and exercise and you
still have trouble, your doctor may prescribe
medications.
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