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What Is A Good Cholesterol Value

What Is High Cholesterol

Cholesterol: HDL vs. LDL

There are two major forms of cholesterol: Low-density lipoprotein or LDL, also known as “bad” cholesterol, and high-density lipoprotein or HDL, also called “good” cholesterol. LDL is the main source of artery-clogging plaque. HDL, on the other hand, clears cholesterol from your blood.

Besides LDL and HDL, thereâs another kind of fat in your blood called triglycerides. Research shows that high levels of triglycerides, just like high levels of LDL, are linked to heart disease.

Your body needs cholesterol to build new cells, insulate nerves, and make hormones. Having too much, though, is a major risk for heart disease.

Ordinarily, your liver makes all the cholesterol your body needs. But you also get cholesterol from food. You’ll find these in many processed foods like doughnuts, frozen pizza, cookies, and crackers. You can also get it from milk, eggs, meat, and other animal products. Over time, without your even being aware, this extra cholesterol collects inside your body and begins to do damage.

Cholesterol Levels In Canadians

Between 2009 and 2011, unhealthy total cholesterol levels were present in 39% of Canadians aged 6 to 79 years old according to results from the Canadian Health Measures Survey . Among the different age groups, the percentage of Canadians with unhealthy levels of total cholesterol varied significantly, from 35% or less in people under 40 years old, but increasing to 57% and 44% in 40 to 59 year olds and 60 to 79 year olds, respectively. Among people aged 12 and over who had unhealthy total cholesterol levels, only 25% reported having been diagnosed with high cholesterol by a health professional .

The number of Canadians with unhealthy LDL cholesterol levels increased significantly with age, with less than 6% of 6 to 19 year olds having unhealthy LDL cholesterol levels, compared to 12% of 20 to 39 year olds, and 40% of 40 to 59 year olds. However, this number decreased in older adults where 26% of 60 to 79 year olds had unhealthy LDL cholesterol levels. In contrast, no significant difference between age groups was found for unhealthy levels of HDL cholesterol .

The percentage of Canadians with an unhealthy ratio of total cholesterol to HDL cholesterol also varied with age, ranging from 1% for 6 to 11 year olds to 23% for the 40 to 59 .

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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Cholesterol: The Good And The Bad Of It

HDL High-density lipoprotein

  • Makes up 20%30% of total cholesterol
  • The “good” cholesterol
  • Moves cholesterol from arteries to the liver.

LDL Low-density lipoprotein

  • Makes up 60%70% of total cholesterol
  • Main form of “bad” cholesterol
  • Causes build-up of plaque inside arteries.

VLDL Very-low-density lipoprotein

  • Makes up 10%15% of total cholesterol
  • With LDL, the main form of “bad” cholesterol
  • A precursor of LDL.

LDL cholesterol. The LDL measurement is usually considered the most important for assessing risk and deciding on treatment. The definition of a healthy level keeps on getting lower. For people at low risk of heart disease, an LDL of less than 100 is desirable, However, people at higher risk of heart disease, an LDL of less than 70 or perhaps even lower is considered “optimal.” Some experts say that an LDL of less than 70 would be a healthy LDL goal for all of us.

Your LDL is computed by plugging the measurements for total cholesterol, HDL, and triglycerides into a: LDL = Total cholesterol HDL . LDL can also be measured directly in a non-fasting blood sample.

You have to fast for about 10 hours before the test because triglyceride levels can shoot up 20%30% after a meal, which would throw off the equation. Alcohol also causes a triglyceride surge, so you shouldn’t drink alcohol for 24 hours before a fasting cholesterol test.

The numbers to know

Good Bad And Total Cholesterol: What Does It All Mean

Go 11: Adventures in cholesterol

If youve discussed cholesterol with your primary care physician, you know there are different types of cholesterol that affect your body in different ways. However, many people havent been educated about cholesterol. Is there really good cholesterol and bad cholesterol? What is a healthy cholesterol level, and how do you manage cholesterol? Heres some information to help you understand what cholesterol is all about.

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How Does This Ldl Calculator Work

This health tool computes the LDL cholesterol value from the total cholesterol, HDL, triglyceride levels according to the two formulas used in these cases: the Friedewald and Iranian study . The second formula is often recommended when the triglyceride levels are lower than average, as in the case of those with a low carbohydrate diet.

For your convenience, the LDL calculator allows you to enter the three values in either mg/dL or mmol/L . You will be given the two results in the corresponding measurement unit so that you can further on interpret the results easily.

In case of the 1st tab “LDL in mg/dL” these are the equations used:

– The Friedewald formula: LDL = TC – HDL TG / 5.0

– The Iranian study formula: LDL = TC / 1.19 + TG / 1.9 HDL / 1.1 38

In case of the 2nd tab “LDL in mmol/L” these are the formulas behind the algorithm:

– The Friedewald equation: LDL = TC – HDL TG / 2.17

– The Iranian study method: LDL = TC / 1.19 + TG / 0.81 HDL / 1.1 0.98

What Are The Different Types Of Cholesterol

There are two types: high-density lipoprotein and low-density lipoprotein . As a general rule, HDL is considered good cholesterol, while LDL is considered bad. This is because HDL carries cholesterol to your liver, where it can be removed from your bloodstream before it builds up in your arteries. LDL, on the other hand, takes cholesterol directly to your arteries. This can result in atherosclerosis, a plaque buildup that can even cause heart attack and stroke.

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What Are The Normal Cholesterol Levels For Men And Women

A cholesterol test generally determines 4 distinct numbers: Total cholesterol, LDL, HDL, and triglycerides. Cholesterol being fat, it is not soluble in water. So it cannot circulate freely in the blood. But, the fact is that nature has devised a way to make water-soluble cholesterol, and transport it through the blood. This is by lipoproteins. The LDL or Low-density lipoprotein and the HDL or high-density lipoprotein are the 2 fundamental cholesterol carriers but to make things simpler, they are considered as cholesterol types. In addition, the lipid panel appraises the triglycerides . They have an impact on health in the same manners as cholesterol. At last, the total cholesterol is integrated as well in the results. Apart from these 4 general lipid levels, your doctor may want to access your very low-density lipoprotein or VLDL that is considered bad when high.

What Are The Best Numbers

The Value of Using TG/HDL Ratio with Other Prediabetes Tests

For children and adolescents ages 2 to 19, these are the best results:

  • Fasting total cholesterol: less than 170 mg/dL, optimal 170 to 199 mg/dL, borderline high

  • Fasting LDL cholesterol: less than 110 mg/dL, acceptable 110 to 129 mg/dL, borderline 130 mg/dl or more, the child should be screened for causes

  • HDL: greater than 45 mg/dL, acceptable less than 40 mg/dL, high risk

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Understanding What Your Cholesterol Levels Mean

Medical professionals typically perform cholesterol levels testing among the battery of medical check-ups. They do so because high cholesterol or hypercholesterolemia is a popular medical condition that may considerably have an impact on your heart and overall health. To evaluate your blood cholesterol levels, your physician is going to perform a blood test known as a lipid panel, as well as a lipid profile. It is recommended to not eat or drink anything, apart from water, for approximately 9 hours before the exam to ensure correct evaluation results., while recent studies suggest that it is not necessary. With this guide, you will understand what your results mean. You will know about the total cholesterol, the HDL, the LDL, the triglycerides and even a less popular lipoprotein such as the VLDL. Keep reading!

Medications To Lower High Cholesterol

The goal of cholesterol treatment is to help you prevent a heart attack or stroke. So the drugs your doctor prescribes also depend on your chances for heart disease.

The higher your risk, the more important it is to get your levels down. Your doctor will look at all of your risk factors and decide which medications will help you the most.

Cholesterol-lowering drugs include:

Cholesterol-lowering drugs work best when combined with a low-cholesterol diet and an exercise program.

Statins

Statins block the production of cholesterol in the liver. They lower LDL and triglycerides and can slightly raise HDL. These drugs are the first treatment for most people with high cholesterol. If you already have heart disease, statins reduce the chances of heart attacks. Side effects can include diabetes, liver damage, and, in a few people, muscle tenderness or weakness. If your doctor prescribes statins, you should ask them the percentage by which you should lower your cholesterol. Generally, it will be between 30% and 50%. Commonly used statins include:

Niacin

Bile acid sequestrants

These drugs work inside the intestine, where they bind to bile and prevent your circulatory system from reabsorbing it. Bile is made largely from cholesterol, so these drugs work by reducing the body’s supply of cholesterol. That then lowers both total and LDL cholesterol. The most common side effects are constipation, gas, and upset stomach. Commonly used bile acid sequestrants include:

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Make An Appointment For A Screening

Due to COVID-19, Cholesterol Screening is temporarily suspended. Please contact our office for more information.

Cholesterol Screening is available by appointment in the Student Health & Wellness Office. The cost of screening is $20 for students. A 12-hour food fast is recommended. Individual health education is provided by the college nurse with each screening. Blood pressure screening is also available at no additional cost.

Lipid panel results are available within 15 minutes and include:

  • Total Cholesterol
  • VLDL

High Cholesterol Causes And Risk Factors

Make Sense of Your Cholesterol Levels Infographic

Lots of things can raise — or lower — your cholesterol levels. They include:

Saturated fats and simple carbohydrates. Reducing the amount of saturated fat, simple carbohydrates, and cholesterol in your diet can help lower your blood cholesterol.

Trans fats. Avoid artificial trans fats, which can raise your cholesterol. Check labels on baked goods, snack foods, frozen pizza, margarine, coffee creamer, vegetable shortenings, and refrigerated dough . Keep in mind that items that say they have “0 g trans fat” can actually have a tiny bit of trans fat in each serving, which adds up. So check the ingredients list. “Partially hydrogenated” means it has trans fat in it.

Good fats. Unsaturated fats don’t raise cholesterol levels. You can find unsaturated fats in foods like nuts, fish, vegetable oil, olive oil, canola and sunflower oils, and avocados. Limit saturated fats, which you find in animal products, and don’t eat processed meats.

Sugar. Eating and drinking too much sugar raises your triglyceride levels. High levels of triglycerides make heart disease more likely. Check food and drink labels to see how much sugar has been added, apart from sugars that are naturally part of a food. The average woman should get no more than 5 teaspoons per day from added sugars, and men shouldn’t get more than 9 teaspoons per day calories, according to the American Heart Association.

Heredity. High blood cholesterol can run in families.

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Healthy Cholesterol Numbers By Age

It’s not just about how much HDL a person has. There are several other measurements clinicians use to assess a person’s cholesterol and corresponding health risks.

Non-HDL levels are a person’s total cholesterol minus their HDL level. This is not, however, equal to a person’s LDL level. As mentioned, there are a few other types of cholesterol besides HDL and LDL. Though they play a more minor role in heart health, they are still important to measure when it comes to risk assessment. According to the Mayo Clinic, a non-HDL measurement appears to be a better risk predictor than simply measuring LDL levels.

Cholesterol is measured in milligrams per deciliter . The following are healthy cholesterol numbers by age for men and women, according to the U.S. National Library of Medicine:

Cholesterol Levels by Age Chart

Anyone age 19 and younger

Men age 20 or older

Women age 20 or older

Total Cholesterol

50 mg/dL or higher

As you can see, the difference between healthy cholesterol levels for men and women over 20 years old comes down to HDL cholesterol: Women have a slightly higher range for healthy HDL.

Cholesterol levels do tend to increase as a person gets older. But healthy cholesterol levels remain the same.

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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How To Increase Your Hdl Cholesterol Levels

High levels of HDL cholesterol, often called “good” cholesterol, are associated with a reduced risk of coronary artery disease . It appears that HDL particles “scour” the walls of blood vessels, cleaning out excess cholesterol that otherwise might have been used to make the plaques that cause CAD. The HDL cholesterol is then carried to the liver, where it is processed into bile, and secreted into the intestines and out of the body.

So, the current theory goes, when we measure a person’s HDL cholesterol level, we are measuring how vigorously his or her blood vessels are being “scrubbed” free of excess cholesterol.

What Does The Test Measure

02 Cholesterol Facts – What are different cholesterol types?

An HDL cholesterol test analyzes a sample of blood to see how much cholesterol is present within high-density lipoprotein particles. Cholesterol is a waxy substance that is important for basic cell function. Cholesterol is transported through the body in the blood within lipoproteins, which are made up of fat and protein.

There are multiple kinds of lipoproteins that can carry cholesterol including high-density lipoproteins, low-density lipoproteins , and very low-density lipoproteins .

Cholesterol in LDL and VLDL particles can build up in the arteries and cause cardiovascular problems. In contrast, HDL particles transport cholesterol to the liver so that it can be eliminated from the body. Through this and other functions, HDL cholesterol helps protect against hardening and blockages of the arteries.

In practice, virtually all HDL cholesterol tests also measure total cholesterol, which is the sum of cholesterol found in all the different kinds of lipoproteins. By subtracting HDL cholesterol from total cholesterol, the doctor can determine the amount of non-HDL cholesterol that is present. In addition, tests like a lipid panel use a mathematical formula to calculate the amount of LDL cholesterol in your blood sample.

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Another Type Of Fat Found In The Blood Mainly From The Food We Eat

Whats healthy? Less than 1.7 mmol/L ideally on a fasting sample, or less than 2.3 mmol/L on a non-fasting sample.

What should I do? Very high triglyceride levels can cause a painful condition called pancreatitis. People can have raised levels for many reasons, but the most common reasons are lifestyle-related:

  • Being apple-shaped .
  • Developing or having type 2 diabetes.
  • Excessive alcohol consumption.

You can keep your triglyceride levels low by losing weight, being more active and eating sensibly, especially by cutting back on alcohol, sugary foods and saturated fats, and eating more fruits, vegetables, pulses and wholegrains.

How Often Should I Get A Cholesterol Test

When and how often you should get a cholesterol 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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The Total Amount Of Cholesterol In Your Blood

Whats healthy? Government advice has moved away from giving absolute figures, but ideally your cholesterol should be be 5 mmol/L or less, or 4 mmol/L if youre at high risk of CVD, or you have high blood pressure, diabetes or have had a cardiovascular event.

What should I do? If your TC level is too high, you can help bring it down by making some simple diet and lifestyle changes, such as:

  • Being more active.
  • Cutting down on foods rich in saturated fats, such as butter, lard and full-fat dairy.
  • Swapping fatty meats for lean meats, such as chicken.
  • Eating more foods with healthy fats, such as olive oil, nuts, seeds and oily fish.
  • Having meat-free days – try Quorn® or soya products instead.
  • Eating more fruits, vegetables and wholegrains, especially oats and barley.
  • Including more foods fortified with plant sterols or stanols in your diet.

Your doctor or nurse will tell you when you need to be tested again.

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