This month we take a look at cholesterol. Too much cholesterol in the blood is one of the main risk factors for heart disease and stroke—two leading causes of death in the United States. One way to prevent these diseases is to detect high cholesterol and treat it when it is found.
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What is cholesterol?
Cholesterol is a waxy, fat-like substance that your body needs. But when you have too much in your blood, it can build up on the walls of your arteries and form blockages. This can lead to heart disease, heart attack, and stroke.
There are two kinds of cholesterol: high-density lipoprotein (HDL) and low-density lipoprotein (LDL). HDL is also called "good" cholesterol. LDL is called "bad" cholesterol. When we talk about high cholesterol, we are talking about "bad" LDL cholesterol.
Seventy-one million American adults have high cholesterol, but only one-third of them have the condition under control. September is National Cholesterol Education Month—a good time to resolve to get your cholesterol screened.
What role does screening play?
Screening is the key to detecting high cholesterol. Because high cholesterol does not have symptoms, many people do not know that their cholesterol is too high. Your doctor can do a simple blood test to check your cholesterol level. The National Cholesterol Education Program recommends that adults aged 20 years or older have their cholesterol checked every 5 years.
How can you prevent or treat high cholesterol?
Make therapeutic lifestyle changes by:
- Eating a healthy diet. Avoid saturated fats and trans fats, which tend to raise cholesterol levels. Other types of fats, such as polyunsaturated fats, can actually lower blood cholesterol levels. Eating fiber also can help lower cholesterol.
- Exercising regularly. Physical activity can help lower cholesterol. The Surgeon General recommends that adults engage in moderate-intensity exercise for 2 hours and 30 minutes every week.
- Maintaining a healthy weight. Being overweight or obese can raise your cholesterol levels. Losing weight can help lower your cholesterol.
- Not smoking. If you smoke, quit as soon as possible. Be sure to follow your doctor's instructions and stay on your medications, if prescribed, to control your cholesterol.
Source: Center for Disease Control and Prevention