Your Cholesterol Readingwhat Should It Be
Cholesterol readings you receive from your medical provider generally include total cholesterol, LDL cholesterol, and HDL cholesterol levels. It is important to look at all three readings, not just the total cholesterol. Having elevated Triglycerides may also increase the risk of heart disease. Exercise, a low-fat diet, and weight loss can all decrease Triglycerides. The following are recommended goals for your cholesterol readings:
| 200 and higher |
Checking Your Blood Cholesterol Level
A cholesterol screening is an overall look at the fats in your blood. Screenings help identify your risk for heart disease. It is important to have what is called a full lipid profile to show the actual levels of each type of fat in your blood: LDL, HDL, triglycerides, and others. Talk with your healthcare provider about when to have this test.
Myth: Eating Foods With A Lot Of Cholesterol Will Not Make My Cholesterol Levels Go Up
Fact: It can be complicated. We know that foods with a lot of cholesterol usually also have a lot of saturated fat. Saturated fats can make your cholesterol numbers higher, so its best to choose foods that are lower in saturated fats. Foods made from animals, including red meat, butter, and cheese, have a lot of saturated fats.
Instead, aim to eat foods with plenty of fiber, such as oatmeal and beans, and healthy unsaturated fats, such as avocados, olive oil, and nuts. Learn more about healthy diets and nutrition at CDCs nutrition, physical activity, and obesity website.
Talk with your health care provider about ways to manage your cholesterol. Learn more about medicines to lower cholesterol.
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The Relationship Between Fat And Cholesterol
How are fats related to blood cholesterol? Research shows that the amount and type of dietary fat consumed can affect blood cholesterol levels. Dietary fat, especially saturated and trans fats, may raise blood levels of total and LDL cholesterol. Replacing some saturated fats with polyunsaturated and monounsaturated fats can help lower blood cholesterol. Recall that high total blood cholesterol levels and LDL cholesterol levels increase risk of heart disease, while lower levels reduce risk. Higher levels of HDL cholesterol help lower the risk for heart disease.
What foods contain fat and cholesterol? In some foods, fats are obvious, like noticeably greasy, fried or oily foods, or meats with visible marbling. In other foods, such as dairy, eggs, and some meats, fat and cholesterol is harder to see. Fats are found in both plant and animal foods, but cholesterol is only found in foods of animal origin. A food can be high in fat and cholesterol , high in fat but low in cholesterol , low in fat and high in cholesterol , or low in both . The nutrition facts label is a useful tool to determine the amount of fat or cholesterol in a particular food item.
What Are Hydrophobic Regions
Therefore, a hydrophobic surface region can be defined as a continuous piece of surface formed exclusively of hydrophobic atoms and unoccupied by water molecules bound to polar protein atoms, Method of computation: The formation of hydrophobic surface regions owing to the structure of the first hydration shell can
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Which Foods Raise Ldl Cholesterol
Animal foods and products contain cholesterol, but its actually the types of fats in foods that can have a more dramatic effect on blood cholesterol levels.
A study from 2015 showed a decrease in saturated fats could lead to a small but potentially important reduction in cardiovascular risk.
The researchers also found evidence that when saturated fat is replaced with polyunsaturated fats, not carbohydrates, heart disease risk decreases.
Foods that are high in saturated fats encourage your liver to make more LDL bad cholesterol. You should limit these foods:
- full fat dairy products
- red meat, including beef, veal, lamb, and pork
- deli meats, sausage, bacon, and hot dogs
- baked goods
Why Is Cholesterol Important To Our Bodies
Every cell in the body needs cholesterol, which helps the cell membranes form the layers. These layers protect the contents of the cell by acting as the gatekeeper to what things can enter or leave the cell. It is made by the liver and is also used by the liver to make bile, which helps you digest foods. Cholesterol is also needed to make certain hormones and to produce vitamin D. Your liver makes enough cholesterol to meet your bodys needs for these important functions.
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What Is The Mitochondria In A Plant Cell
Known as the powerhouses of the cell, mitochondria produce the energy necessary for the cells survival and functioning. Through a series of chemical reactions, mitochondria break down glucose into an energy molecule known as adenosine triphosphate , which is used to fuel various other cellular processes.
Cholesterol Myths And Facts
Cholesterol can be confusing! Learn answers to common questions about blood cholesterol.
What do your cholesterol numbers mean? Can the foods you eat change your cholesterol levels?
Learn the difference between cholesterol myth and fact. Then commit to getting your cholesterol checked this year so you know your numbers and your risk for heart disease and stroke.
Commit to getting your cholesterol checked this year so you know your numbers and your risk for heart disease and stroke.
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Recent Guidelines For Normal Cholesterol Levels
Your body needs some cholesterol to function properly, including some LDL. But if your LDL levels are too high, it can raise your risk of serious health problems.
In 2013, the American College of Cardiologists and the American Heart Association developed new guidelines for the treatment of high cholesterol.
Before this change, doctors would manage cholesterol based on numbers in a cholesterol levels chart. Your doctor would measure your total cholesterol, HDL cholesterol, and LDL cholesterol levels. They would then decide whether to prescribe a cholesterol-lowering medication based on how your numbers compared to the numbers in the chart.
Under the new guidelines, in addition to your cholesterol levels, treatment recommendations consider other risk factors for heart disease. These risk factors include diabetes and the estimated 10-year risk for a cardiac event such as a heart attack or stroke. So what your normal cholesterol levels are depends on whether you have other risk factors for heart disease.
These new guidelines recommend that if you dont have risk factors for heart disease, your doctor should prescribe treatment if your LDL is greater than 189 mg/dL. To find out what your personal cholesterol recommendations are, talk to your doctor.
With the changes mentioned above in the treatment guidelines for high cholesterol, cholesterol charts are no longer considered the best way for doctors to gauge the management of cholesterol levels in adults.
| Total cholesterol |
What Are The Examples Of Triglyceride
What are triglycerides? Triglycerides are fats from the food we eat that are carried in the blood. Most of the fats we eat, including butter, margarines, and oils, are in triglyceride form. Excess calories, alcohol or sugar in the body turn into triglycerides and are stored in fat cells throughout the body.
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Myth: All Cholesterol Is Bad For You
Fact: Some types of cholesterol are essential for good health. Your body needs cholesterol to perform important jobs, such as making hormones and building cells. Cholesterol travels through the blood on proteins called lipoproteins. Two types of lipoproteins carry cholesterol throughout the body:
- LDL , sometimes called bad cholesterol, makes up most of your bodys cholesterol. High levels of LDL cholesterol raise your risk for heart disease and stroke.
- HDL , or good cholesterol, carries cholesterol back to the liver. The liver then flushes it from the body. High levels of HDL cholesterol can lower your risk for heart disease and stroke.
When your body has too much LDL cholesterol, it can build up in the walls of your blood vessels. This buildup is called plaque. As your blood vessels build up plaque over time, the insides of the vessels narrow. This narrowing can restrict and eventually block blood flow to and from your heart and other organs. When blood flow to the heart is blocked, it can cause angina or a heart attack.
How Do You Prepare For A Cholesterol Test
In most cases, youll need to fast for nine to 12 hours before the test. Make sure you tell the person drawing your blood how long it has been since you ate or drank anything that wasnt water.
There are some cases when a cholesterol test is done without fasting. This is true for tests done at health screenings and may be true for people younger than 20 or for people who are unable to fast.
Some medical societies believe that fasting is not necessary to get a true picture of lipid levels in the blood, while other associations stand by the belief that fasting gives a better idea of a persons heart disease risk. You should be clear on whether or not you need to fast, and for how long, before you go for the blood test.
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What Causes High Cholesterol If I Eat Healthy Can It Be Genetic
If you eat a healthy diet and get regular exercise but still have high cholesterol, your DNA may be a bigger factor than your lifestyle. About 1 in 250 people in the United States live with familial hypercholesterolemia , a life-threatening inherited disorder that causes high cholesterol.
Unfortunately, 90 percent of people who have it dont know it, according to the FH Foundation, a national nonprofit organization based in Pasadena, California. Screening for high cholesterol is the only way to identify people who have FH. Because of this, all children should have a cholesterol screening once between ages 9 and 11, recommends the American Academy of Pediatrics.
If your LDL is above 100, its already considered high. If its higher than 190, you may have FH, according to leading heart groups, such as the AHA, the American College of Cardiology, and the National Lipid Association. If a parent has FH, their child has a chance of having it, too. Finding out if you have FH and getting treated if you do is vital, because having FH means your risk of heart disease is 20 times higher than that of people who dont have inherited high cholesterol, according to the FH Foundation.
How Cholesterol Moves Around The Body
Cholesterol is a white, insoluble and waxy substance. It is carried around the body by two key transport systems in the blood, which include:
- Low-density lipoprotein cholesterol carries most of the cholesterol that is delivered to cells. It is called the bad cholesterol because when its level in the bloodstream is high, it can clog up your arteries.
- High-density lipoprotein cholesterol is called the good cholesterol, because it helps remove excess cholesterol out of the cells, including cells in the arteries.
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What Causes High Cholesterol
The most common cause of high cholesterol is an unhealthy lifestyle. This can include
- Unhealthy eating habits, such as eating lots of bad fats. One type, saturated fat, is found in some meats, dairy products, chocolate, baked goods, and deep-fried and processed foods. Another type, trans fat, is in some fried and processed foods. Eating these fats can raise your LDL cholesterol.
- Lack of physical activity, with lots of sitting and little exercise. This lowers your HDL cholesterol.
- Smoking, which lowers HDL cholesterol, especially in women. It also raises your LDL cholesterol.
Genetics may also cause people to have high cholesterol. For example, familial hypercholesterolemia is an inherited form of high cholesterol. Other medical conditions and certain medicines may also cause high cholesterol.
What Are Hdl Ldl And Vldl
HDL, LDL, and VLDL are 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. Different types of lipoproteins have different purposes:
- HDL stands for high-density lipoprotein. It is sometimes called “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 lipoprotein. It is sometimes called “bad” cholesterol because a high LDL level leads to the buildup of plaque in your arteries.
- VLDL stands for very low-density lipoprotein. Some people also call VLDL a “bad” cholesterol because it too contributes to the buildup of plaque in your arteries. But VLDL and LDL are different VLDL mainly carries triglycerides and LDL mainly carries cholesterol.
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Lifestyle Tips To Cut Cholesterol
Changing some of your lifestyle habits may also help to reduce your cholesterol and triglyceride levels. Suggestions include:
- Cease alcohol consumption or reduce your alcohol intake to no more than one or two drinks a day. Avoid binge drinking. This may help lower your triglyceride levels.
- Dont smoke. Smoking increases the ability of LDL cholesterol to get into artery cells and cause damage.
- Exercise regularly . Exercise increases HDL levels while reducing LDL and triglyceride levels in the body.
- Lose any excess body fat. Being overweight may contribute to raised blood triglyceride and LDL levels.
- Control your blood sugar levels if you have diabetes. High blood sugars are linked to an increased risk of atherosclerosis , heart attacks and strokes.
How Is High Cholesterol Diagnosed
There are usually no signs or symptoms that you have high cholesterol. There is a blood test to measure your cholesterol level. When and how often you should get this test depends on your age, risk factors, and family history. The general recommendations are:
For people who are age 19 or younger:
- The first test should be between ages 9 to 11
- Children should have the test again every 5 years
- Some children may have this test starting at age 2 if there is a family history of high blood cholesterol, heart attack, or stroke
For people who are age 20 or older:
- Younger adults should have the test every 5 years
- Men ages 45 to 65 and women ages 55 to 65 should have it every 1 to 2 years
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What Are Normal Levels Of Cholesterol
Normal levels of cholesterol are different depending on your age and sex. These guidelines show desirable total, non-HDL,LDL and HDL levels by age and sex.
Table 1: Target cholesterol levels by age and sex
| Age and sex |
|---|
cholesterol
cholesterol
People aged 19 years and younger Men aged 20 years and olderWomen aged 20 years and older
The table above spells out the numbers for normal cholesterol levels. The table below shows you cholesterol levels that are higher than normal. High cholesterol numbers vary by age group and sex, and may be different for those who have heart disease. These guidelines represent high cholesterol numbers for those who do not have heart disease.
Table 2: High total, non-HDL and LDL cholesterol levels by age and sex
| Age and sex |
|---|
| People aged 19 years and younger |
Borderline: 170-199 mg/dL
High: Greater than or equal to 200 mg/dL
Borderline: 120-144 mg/dL
High: Greater than or equal to 145 mg/dL
Borderline: 110-129 mg/dL
High: Greater than or equal to 130 mg/dL
High: Greater than or equal to 239 mg/dL
Near optimal or above optimal: 100-129 mg/dL
Borderline high: 130-159 mg/dL
Very high: Greater than 189 mg/dL
High: Greater than or equal to 239 mg/dL
Near optimal or above optimal: 100-129 mg/dL
Borderline high: 130-159 mg/dL
Very high: Greater than 189 mg/dL
LDL cholesterol levels
If you do not have heart disease or blood vessel disease, and you are not at high risk for developing heart disease, the optimal number is less than 100 mg/dL.
Triglycerides
Who Can I Talk To About Specific Questions I Have To Reduce My Chance For Developing Heart Disease
- Your doctor can order medicines and tests that can lower your chance for developing heart disease.
- Your registered dietitian nutritionist can help you make healthy changes to your diet.
- A pharmacist can answer questions you might have about any medicine the doctor has prescribed for you.
- Other healthcare team members, such as a nurse or psychologist can also help answer questions about making lifestyle changes and other ways to prevent heart disease.
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Does Stress Cause High Cholesterol
While stress is not a primary cause of high cholesterol, it may still have an effect on cholesterol levels. A study published in May 2017 in the journal Medicine found that in people who experienced stress due to work or personal conflict, higher stress was a risk factor for high cholesterol. And when you are feeling stressed and pressed for time, you may be less likely to follow heart-healthy lifestyle measures, such as eating a nutritious diet and getting exercise. The 2017 study found that regular physical exercise had a strong protective effect against cholesterol.
Where Does Cholesterol Come From
Cholesterol in your body comes from two main sources: your liver and your diet.
Your liver, other organs, and other cells in your body produce about 80 percent of the cholesterol in your blood.
The other 20 percent of cholesterol in your body is affected by the foods you eat. Foods high in trans and saturated fats can contribute to unhealthy cholesterol levels.
As you take in more of these fats, your liver compensates by reducing its own production of cholesterol and removing excess cholesterol. However, not everyone makes and removes cholesterol with the same efficiency.
Some people have genes that tell their liver to make extra cholesterol or to slow their bodys cholesterol removal process. If youve inherited these genes, you may have high cholesterol even if you dont eat foods that are rich in fat or cholesterol.
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