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What Is The Normal Blood Cholesterol Level

What Complications Are Possible If You Dont Treat High Cholesterol Levels In Your Blood

What is a Safe or Ideal Blood Cholesterol Level?

The main reason to treat high cholesterol is to prevent or treat coronary heart disease , also called coronary artery disease or CAD. CHD happens when heart is not able to get enough oxygen-rich blood to function well and kills more people in the U.S. than any other cause of death. CHD usually refers to the large arteries, but there is also a condition called coronary microvascular disease that affects the small vessels and causes damage.

What Is Ldl Hdl And Triglycerides

When you conduct a lipid profile, you will notice that there are four levels on the report. Each of these readings indicate a level of a different aspect of your blood cholesterol levels and gives your doctor an idea of your bodys fat metabolism.

In South Africa, blood cholesterol is measured in mmol/L millimole per litre. However some machines imported into the country may measure your cholesterol in mg/dL and the readings will differ between the two standards of measure.

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How Can I Lower My Cholesterol

There are two main ways to lower your cholesterol:

  • Heart-healthy lifestyle changes, which include:
    • Heart-healthy eating. A heart-healthy eating plan limits the amount of saturated and trans fats that you eat. Examples include the Therapeutic Lifestyle Changes diet and the DASH Eating Plan.
    • Weight Management. If you are overweight, losing weight can help lower your LDL cholesterol.
    • Physical Activity. Everyone should get regular physical activity .
    • Managing stress. Research has shown that chronic stress can sometimes raise your LDL cholesterol and lower your HDL cholesterol.
    • Quitting smoking.Quitting smoking can raise your HDL cholesterol. Since HDL helps to remove LDL cholesterol from your arteries, having more HDL can help to lower your LDL cholesterol.
  • Drug Treatment. If lifestyle changes alone do not lower your cholesterol enough, you may also need to take medicines. There are several types of cholesterol medicines available, including statins. The medicines work in different ways and can have different side effects. Talk to your health care provider about which one is right for you. While you are taking medicines to lower your cholesterol, you should continue with the lifestyle changes.

NIH: National Heart, Lung, and Blood Institute

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Causes Of Changing Cholesterol Levels

Your cholesterol levels will change as you age, most likely increasing. There are a number of causes for changing cholesterol levels. They include:

Diet

If you eat foods high in saturated fat and cholesterol, it will make your total cholesterol level rise. The saturated fat is the main cause. This type of fat comes mainly from animal food products. You can find it in meat, dairy products, chocolate, baked goods, deep-fried foods, and processed foods. These foods make up a typical American diet, and consuming a lot of these foods is cautioned against.

Weight and physical activity

If you are overweight, your risk for heart disease increases and so do your cholesterol levels. Not being physically active also contributes to a risk for heart disease and high cholesterol levels. Exercising daily and losing weight can help lower your bad cholesterol, LDL, and increase your good cholesterol, HDL.

Smoking

Smoking can lower your good cholesterol, HDL, making it harder for your body to remove cholesterol from your arteries.

Age and gender

As you age, your total cholesterol levels increase. Women have lower total cholesterol levels than men of the same age. But when a woman goes through menopause, her bad cholesterol, LDL, tends to rise.

Heredity

Its important to know your family history of heart disease and cancers if applicable. How much cholesterol your body makes is partly determined by your genes. High cholesterol can run in your family.

What Types Of Cholesterol Are There

High Cholesterol &  5 Ways to Lower Your Cholesterol Levels

There are two different types of cholesterol including:

  • “Bad Cholesterol” which carry cholesterol particles throughout your body. LDL cholesterol is bad because it builds up in the walls of your arteries, making them hard and narrow which can increase the risk of a heart attack.
  • “Good Cholesterol” which picks up excess cholesterol and takes it back to the liver. Having high HDL is linked to lower risk of heart disease, heart attack, and stroke.

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How To Lower Cholesterol: Low

Low-carbohydrate diets may help improve HDL cholesterol levels. The National Institutes of Health conducted a study that found while both low-fat and low-carb dieters lost weight over the two-year study period, low-carb dieters also improved their HDL cholesterol levels. The problem with low-carb diets is that they may be difficult to adhere to. Consult your doctor about the best healthy eating plan to manage your cholesterol.

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What Are Hdl And Ldl

HDL and LDL are two types of lipoproteins.They are a combination of fat and protein. The lipids need to be attached to the proteins so they can move through the blood. HDL and LDL have different purposes:

  • HDL stands for high-density lipoproteins. It is sometimes called the “good” cholesterol because it carries cholesterol from other parts of your body back to your liver. Your liver then removes the cholesterol from your body.
  • LDL stands for low-density lipoproteins. It is sometimes called the “bad” cholesterol because a high LDL level leads to a buildup of cholesterol in your arteries.

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Normal Levels Of Cholesterol & How To Lower High Cholesterol Levels

There are 4 measures you need to take and find out your normal levels of cholesterol. These measures are: LDL, HDL, total cholesterol and cholesterol ratios.

Before finding out your cholesterol levels, you need to have a blood test. After your blood test do not get too much alarmed if your total cholesterol level is higher than normal.

You must understand the correlation of total cholesterol, LDL and HDL to the cholesterol ratio, which is explained below.

Which Foods Can Help Lower Cholesterol

What Are Normal Cholesterol Levels, Triglyceride Levels & Healthy Cholesterol Ratios?

The American Heart Association has developed diet guidelines to help lower cholesterol levels. It may be a challenge to read the nutritional contents on food packaging and on restaurant menus or to do the math, but the benefit will decrease the risk of heart attack and stroke.

  • Limit total fat intake to less than 25% to 35% of your total calories each day.
  • Limit saturated fat intake to less than 7% of total daily calories.
  • Limit trans fat intake to less than 1% of total daily calories.
  • The remaining fat should come from sources of monounsaturated and polyunsaturated fats that are found in unsalted nuts and seeds, fish and vegetable oils.
  • Limit cholesterol intake to less than 300 mg per day, for most people. If you have coronary heart disease or your LDL cholesterol level is 100 mg/dL or greater, limit your cholesterol intake to less than 200 milligrams a day.

Some food groups may be beneficial in directly lowering cholesterol levels and include foods with plant sterol additives, high fiber foods like bran, oatmeal, and fruits like apples and pears, fish, nuts, and olive oil. Some of these foods like nuts and fruits are also high in calories, so moderation is always advisable.

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Why Normal Levels Can Differ Across Different Labs

Each laboratory must establish its own normal ranges for LDL cholesterol in the blood. These ranges depend on the makeup of the local population, the technologies used and the accuracy of the measurement. There may be also slight differences in the normal levels, according to age, gender, race or ethnic origin, geographic region, diet, type of sample and other relevant status.

Your doctor will study the results along with your medical record, screenings, physical condition, symptoms and any other relevant information about your situation.

How Can I Raise My Hdl Level

If your HDL level is too low, lifestyle changes may help. These changes may also help prevent other diseases, and make you feel better overall:

  • Eat a healthy diet. To raise your HDL level, you need to eat good fats instead of bad fats. This means limiting saturated fats, which include full-fat milk and cheese, high-fat meats like sausage and bacon, and foods made with butter, lard, and shortening. You should also avoid trans fats, which may be in some margarines, fried foods, and processed foods like baked goods. Instead, eat unsaturated fats, which are found in avocado, vegetable oils like olive oil, and nuts. Limit carbohydrates, especially sugar. Also try to eat more foods naturally high in fiber, such as oatmeal and beans.
  • Stay at a healthy weight. You can boost your HDL level by losing weight, especially if you have lots of fat around your waist.
  • Exercise. Getting regular exercise can raise your HDL level, as well as lower your LDL. You should try to do 30 minutes of moderate to vigorous aerobic exercise on most, if not all, days.
  • Avoid cigarettes.Smoking and exposure to secondhand smoke can lower your HDL level. If you are a smoker, ask your health care provider for help in finding the best way for you to quit. You should also try to avoid secondhand smoke.
  • Limit alcohol. Moderate alcohol may lower your HDL level, although more studies are needed to confirm that. What we do know is that too much alcohol can make you gain weight, and that lowers your HDL level.

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Can Walking Reduce Cholesterol

Walking raises your good cholesterol and lowers your bad cholesterol. A brisk 30-minute walk three times per week is enough to raise your good cholesterol and lower your bad cholesterol a few points. This amount of exercise, even without weight loss, is shown to improve your cholesterol levels.

Hdl Cholesterol: ‘good’ Cholesterol

Cholesterol

Not all cholesterol is bad. High-density lipoprotein cholesterol is considered “good” cholesterol because it actually works to keep the LDL, or “bad” cholesterol from building up in your arteries. The higher the HDL, the better. HDL levels of 60 mg/dL and higher can help reduce your risk for heart disease. Conversely, HDL levels of 40 mg/dL and lower are considered a high risk-factor for developing heart disease.

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What Are The Different Types Of Medicines For Cholesterol

There are several types of cholesterol-lowering drugs available, including

  • Statins, which block the liver from making cholesterol
  • Bile acid sequestrants, which decrease the amount of fat absorbed from food
  • Cholesterol absorption inhibitors, which decrease the amount of cholesterol absorbed from food and lower triglycerides.
  • Nicotinic acid , which lowers LDL cholesterol and triglycerides and raises HDL cholesterol. Even though you can buy niacin without a prescription, you should talk to your health care provider before taking it to lower your cholesterol. High doses of niacin can cause serious side effects.
  • PCSK9 inhibitors, which block a protein called PCSK9. This helps your liver remove and clear LDL cholesterol from your blood.
  • Fibrates, which lower triglycerides. They may also raise HDL cholesterol. If you take them with statins, they may increase the risk of muscle problems.
  • Combination medicines, which include more than one type of cholesterol-lowering medicine

There are also a few other cholesterol medicines that are only for people who have familial hypercholesterolemia . FH is an inherited disorder that causes high LDL cholesterol.

What Is Considered A Normal Cholesterol Level

Its important to understand what is considered normal for cholesterol levels, as you will no doubt have your cholesterol tested many times. In fact, you should be having your cholesterol tested as part of your yearly physical exam. Dont be fooled if youre a skinny body type, either. The sneaky thing about cholesterol is that you can be a slim person and still have high cholesterol.4

Cholesterol levels are measured in milligrams per tenth-liter of blood. To determine your healthy total cholesterol levels, your HDL and LDL are added together.

This reading should be below 200 mg/dL. You can break that down further and say that your LDL cholesterol should always be less than 160 mg/dl, 130 mg/dL, or 100 mg/dL depending on your risk factors.

These risk factors could include a family history of heart disease, menopause, and others. Meanwhile, your HDL cholesterol should sit around 35 mg/dL, but preferably higher.5

The higher your HDL level, the more you are protected against LDL cholesterol and the problems it can cause.

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Good And Bad Cholesterol

There’s only one kind of cholesterol but it is carried around the body by different carriers called lipoproteins, notably:

  • Low density lipoprotein
  • High density lipoprotein

In simple terms, cholesterol carried by LDLs is considered bad because when theres too much of it circulating in your blood it contributes to plaque build-up that clogs arteries and makes them less flexible . If you have high blood cholesterol your goal will be to reduce LDL levels in your blood.

On the other hand, cholesterol carried by HDLs is considered good because it carries cholesterol away from the arteries and back to the liver, where it is broken down and passed from the body. Any lifestyle changes or treatment for high blood cholesterol will aim to ensure HDL levels are increased or maintained at healthy levels.

When blood cholesterol tests are done, the level of triglycerides in your blood is also measured. Triglycerides are the most common type of fat that exists in food and in the body. When calories ingested in a meal are not used immediately by the body, they are converted to triglycerides and are transported to the fat cells to be stored. It is thought that elevated triglyceride levels may increase the risk of developing heart disease, particularly when associated with high LDL-cholesterol levels.

What Is Cholesterol

Heart Health : What Is the Normal Range for Cholesterol?

Cholesterol is a waxy, fat-like substance that’s found in all the cells in your body. Your liver makes cholesterol, and it is also in some foods, such as meat and dairy products. Your body needs some cholesterol to work properly. But having too much cholesterol in your blood raises your risk of coronary artery disease.

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How Is It Used

The test for total cholesterol is used alone or as part of a lipid profile to help predict an individuals risk of developing heart disease and to help make decisions about what treatment may be needed if there is borderline or high risk. As part of a lipid profile , low-density lipoprotein cholesterol , and triglycerides), it may also be used to monitor the effectiveness of treatment once it is initiated.

Because high blood cholesterol has been associated with hardening of the arteries , heart disease, and a raised risk of death from heart attacks, cholesterol testing is considered a routine part of preventive healthcare.

Results of the cholesterol test and other components of the lipid profile are used along with other known risk factors of heart disease to develop a plan of treatment and follow-up. Treatment options may include lifestyle changes such as diet or exercise programs or lipid-lowering drugs such as statins.

Diet And Lifestyle Changes

A doctor will look at your overall risk of cardiovascular disease and make recommendations to reduce high blood cholesterol as well as managing other risk factors such as high blood pressure, smoking and being overweight.

Reducing high blood cholesterol levels typically involves decreasing the total cholesterol level by decreasing LDL-cholesterol and triglycerides, while maintaining or increasing HDL-cholesterol levels.

  • LDL-cholesterol levels are best decreased by eating less saturated fat
  • Triglyceride levels are best reduced by eating less sugar-containing foods, limiting alcohol intake, and reducing the intake of total fat
  • HDL-cholesterol levels are best increased by exercise, substituting saturated fats with polyunsaturated or monounsaturated fat , and maintaining a healthy weight.

Heart-healthy dietary changes are summarised in our Heart disease diet page.

Other lifestyle changes should include:

  • Exercising regularly
  • Maintaining a healthy body weight
  • Limiting alcohol intake

Heart-healthy exercise suggestions are summarised in our Heart disease exercise page.

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Hdl Cholesterol: Good Cholesterol

Not all cholesterol is bad. High-density lipoprotein cholesterol is considered good cholesterol because it actually works to keep the LDL, or bad cholesterol from building up in your arteries. The higher the HDL, the better. HDL levels of 60 mg/dL and higher can help reduce your risk for heart disease. Conversely, HDL levels of 40 mg/dL and lower are considered a high risk-factor for developing heart disease.

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Effects Of High Cholesterol Levels

Lipid Profile Chart: Triglycerides, HDL, LDL, &  Total ...

The liver is the main processing centre for cholesterol and dietary fat. When we eat animal fats, the liver transports the fat, together with cholesterol in the form of lipoproteins, into our bloodstream.

Too much cholesterol circulating within LDL in our bloodstream leads to fatty deposits developing in the arteries. This causes the vessels to narrow and they can eventually become blocked. This can lead to heart disease and stroke.

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What Are Risk Factors For High Blood Cholesterol

Lifestyle, some health conditions, and family history can raise your risk for high cholesterol. Your doctor may suggest you have your cholesterol checked more often if you have risk factors, such as the following:

  • A family history of heart disease or high blood cholesterol. You are more at risk of having high cholesterol if other people in your family have it. This may be due to genetics, but it may also be that families share the same unhealthy lifestyle habits. Some people also have a genetic condition called familial hypercholesterolemia, which can cause high levels of low-density lipoprotein , or bad, cholesterol from a young age.
  • Diabetes. Type 2 diabetes raises bad cholesterol and lowers high-density lipoprotein , or good, cholesterol, raising the risk for heart disease and stroke.
  • Older age. As you age, your body cant clear cholesterol as well as it used to.
  • Being male. Men tend to have higher LDL and lower HDL cholesterol levels than women do. But after menopause , LDL cholesterol levels in women increase.4,5
  • Having overweight or obesity. Excess weight, unhealthy eating habits, and lack of physical activity can lead to high cholesterol.
  • Previously having had high cholesterol. If you have a history of high cholesterol, your doctor may want you to keep a closer watch on your cholesterol.

Your doctor may tell you not to eat or drink anything except water for 9 to 12 hours before the test.

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