What Is Cholesterol? Cholesterol Need By The Body Keep Producing Healthy Cells

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Is your head spinning over the conflicting messages you hear about cholesterol? That’s not surprising. Researchers are learning more about cholesterol and saturated fat. And, as they learn more, nutrition advice may change

What is Cholesterol?

Cholesterol is a waxy substance found in many of the foods that we eat and also in our body’s cells. Our bodies need some cholesterol to function normally and can make all the cholesterol it needs. Cholesterol is used to make hormones and vitamin D. It also plays a role in digestion.

There are three main types of cholesterol in the body:

• High-density lipoprotein, or HDL. Often called the good cholesterol, HDL helps to remove excess cholesterol from your body.
• Low-density lipoprotein, or LDL. LDL is the bad or “lousy” cholesterol. It can lead to a buildup of plaque in the arteries.
• Very low-density lipoprotein, or VLDL. VLDL also tends to promote plaque buildup.

Another substance included in lipid lab tests is triglyceride levels. are a specific type of fat in the blood. High triglycerides may be a sign that you have excess body fat or may be at an increased risk for Type 2 diabetes. They also may be a signal that you are consuming too many calories, especially from refined grains or foods and beverages with added sugars. Triglycerides also can be elevated in people who smoke or drink too much alcohol.

If there is too much cholesterol in the body, it builds up. The waxy buildup, called plaque, sticks to the insides of the arteries. As the arteries narrow and clog, it is difficult for the blood to flow through them. The blockage can lead to a blood clot, stroke or heart disease.

Am I at Risk?

Many things may increase your risk for high cholesterol, including:

• Genetics: High cholesterol runs in some families.
• Age: As we age, our cholesterol levels rise.
• Medicines: Certain drugs can elevate cholesterol levels.
• Obesity: Individuals with overweight or obese body mass indices are at greater risk for high cholesterol.
• Diet: Consuming high quantities of saturated and trans fats can raise LDL cholesterol levels.
• Inactivity: Activity helps to elevate HDL cholesterol. Lack of activity has the reverse effect — it increases LDL cholesterol.
• Smoking: Tobacco products decrease HDL and increase LDL. The link between smoking and high cholesterol is greater for women.

High Cholesterol, Now What?

If your cholesterol is high because of genetics, you might need to take a cholesterol-lowering drug. However, everyone with high cholesterol can benefit from a heart-healthy lifestyle. And, if you are at risk, simple lifestyle changes can help reduce that risk. These include eating a heart-healthy diet, being physically active and achieving or maintaining a healthy body weight.

When it comes to a healthy eating plan, four dietary changes may help keep your cholesterol in check:

Enjoy Foods with Plant Sterols and Stanols

Some foods — vegetable oils, nuts, seeds and whole grains — contain substances called plant sterols and stanols. Eating foods rich in these substances may help combat rising total and LDL cholesterol levels. To increase your daily intake, also look for foods fortified with plant sterols and stanols. For example, some orange juice, cereals and breakfast bars may be fortified.

Limit Your Intake of Saturated Fat

Saturated fats are mostly found in animal-based foods such as meats and whole-fat dairy products. Higher intakes of saturated fat have been found to elevate LDL cholesterol. Studies have also shown that replacing sources of saturated fat with unsaturated fats can help decrease your total and LDL cholesterol levels. To help reduce your intake of saturated fat:

• Cook with vegetable oils, such as olive, canola, sunflower and safflower.
• Eat foods rich in omega-3 fatty acids such as salmon, walnuts and ground flaxseed.
• Choose low-fat or fat-free dairy products, such as 1% or skim milk and non-fat yogurt or low-fat cheeses, such as reduced-fat feta and part-skim mozzarella.
• Swap out butter and lard for healthier vegetable oil options.
• Avoid trans fats — they have been found to increase LDL levels and are found in highly processed foods. In the ingredients, if it says the food contains hydrogenated fat, put it back.

Select Lean Proteins

Lean proteins provide less calories from fat. To choose lean cuts:

• Check the package for the words loin or round.
• Strip the skin off your chicken and turkey to get a healthier option.
• Bake, broil, roast, stew or stir-fry lean meats, fish and poultry.
• After you cook ground meat, carefully drain off any excess fat.
• Limit fatty, marbled meats, fried or deep-fried foods and other foods that are high in saturated fat, such as organ meats
• Choose healthier options when eating out by selecting foods that are baked, broiled or grilled.

Savor Soluble Fiber

Dietary fiber is found in fruits, vegetables, beans, lentils and whole grains. These nutrient-dense foods provide two types of fiber, soluble and insoluble. Both types are important for good health. Getting adequate amounts of dietary fiber from a variety of foods is important for everyone.

Research has shown that soluble fiber, in particular, from fruits, vegetables, beans, lentils and whole grains, may help to lower LDL cholesterol. In the stomach, soluble fiber forms a thick, jelly-like substance, which helps bind dietary cholesterol from foods you’re eating. So, load up on vegetables and fruits:

• Select fruits and vegetables that are good sources of soluble fiber. For example, asparagus, Brussels sprouts, sweet potatoes, turnips, apricots, mangoes and oranges.
• Eat a variety of different colored fruits and veggies.
• Shift to more plant-based or vegetarian meals by including beans, lentils and soy foods.
• Focus on whole forms of produce, which includes fresh, frozen, canned or dried fruits.
• Look for canned fruits packed in water or their own juice.
• Choose low-sodium canned veggies or varieties with no added salt.

Whole grains also are a great way to get the benefits of fiber:

• Eat barley, oats and oat bran — all are good sources of soluble fiber.
• Make sure the food label on your bread says 100 percent whole-grain or lists a whole grain as one of the first ingredients.
• Limit refined carbohydrates, especially sources of added sugars, such as sweets and sugar-sweetened beverages.

One note of caution: as you increase your fiber intake, also increase your intake of water. This will help to reduce your risk of becoming constipated. If you find it difficult to get enough fiber in your diet, ask your health care provider before considering a fiber supplement.

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