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What Is Safe Ldl Cholesterol Levels

Estimation Of Ldl Particles Via Cholesterol Content

What is Good Cholesterol and What is Bad Cholesterol? | Dr. Rajni Sharma

Chemical measures of lipid concentration have long been the most-used clinical measurement, not because they have the best correlation with individual outcome, but because these lab methods are less expensive and more widely available.

The lipid profile does not measure LDL particles. It only estimates them using the Friedewald equationby subtracting the amount of cholesterol associated with other particles, such as HDL and VLDL, assuming a prolonged fasting state, etc.:

where H is HDL cholesterol, L is LDL cholesterol, C is total cholesterol, T are triglycerides, and k is 0.20 if the quantities are measured in mg/dl and 0.45 if in mmol/l.

There are limitations to this method, most notably that samples must be obtained after a 12 to 14 h fast and that LDL-C cannot be calculated if plasma triglyceride is >4.52;mmol/L . Even at triglyceride levels 2.5 to 4.5;mmol/L, this formula is considered inaccurate. If both total cholesterol and triglyceride levels are elevated then a modified formula, with quantities in mg/dl, may be used


This formula provides an approximation with fair accuracy for most people, assuming the blood was drawn after fasting for about 14 hours or longer, but does not reveal the actual LDL particle concentration because the percentage of fat molecules within the LDL particles which are cholesterol varies, as much as 8:1 variation.

Normal ranges

What Is A Cholesterol Ratio

You can find your cholesterol ratio by dividing your total cholesterol number by your HDL level. For instance, someone with a total cholesterol count of 200 mg/dl and HDL of 50 mg/dl has a 4-to-1 cholesterol ratio. Your cholesterol ratio is simply one more way to analyze the results of your cholesterol test. A lower ratio tends to signify better health because it reflects low total cholesterol and/or high HDL. In some situations, your doctor might use your cholesterol ratio to help determine your risk of heart disease. Cholesterol is just one important indicator of your overall health.

Can Good Cholesterol Levels Be Too High Or Bad Be Too Low

In most cases, high HDL is not harmful. HDL is healthy, essential cholesterol. It helps keep your LDL levels in check. Some older research published in the medical journal Arteriosclerosis, Thrombosis, and Vascular Biology suggested that high HDL might increase the risk of heart disease in people who have high levels of C-reactive proteins, a sign of inflammation. More research is needed to confirm this finding. If you have abnormally high HDL and C-reactive protein levels, ask your doctor about your risk of heart disease.

As for too-low LDL levels, research is still ongoing. Early studies suggested very low levels of LDL cholesterol may be problematic. But other studies have found levels below 50 mg/dl safe, such as one published in 2018 in Current Pharmaceutical Design.

Recommended Reading: Which Fat Is Bad For Cholesterol

How Can I Lower My Ldl Level

There are two main ways to lower your LDL cholesterol:

  • Therapeutic lifestyle changes . TLC includes three parts:
    • Heart-healthy eating. A heart-healthy eating plan limits the amount of saturated and trans fats that you eat. Examples of eating plans that can lower your cholesterol 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 .
  • 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-lowering drugs 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 still should continue with the lifestyle changes.

Some people with familial hypercholesterolemia may receive a treatment called lipoprotein apheresis. This treatment uses a filtering machine to remove LDL cholesterol from the blood. Then the machine returns the rest of the blood back to the person.

NIH: National Heart, Lung, and Blood Institute

How To Raise Good Cholesterol

A Guide to Healthy Cholesterol

The key to raising HDL cholesterol is lowering LDL cholesterol. The American College of Cardiology and American Heart Association recommend the following for increasing your HDL cholesterol level:;

  • Following a plant-based or Mediterranean eating plan that includes fruits, nuts, vegetables, legumes, and lean meats
  • Avoiding saturated and trans fats, and limiting processed meats
  • Avoiding sugar and artificial sweeteners in processed foods and in beverages;
  • Increasing aerobic activity and getting at least 30 minutes of exercise five times per week
  • Losing weight or maintaining a healthy weight;
  • Quitting smoking
  • Keeping blood pressure below 130/80 mm Hg
  • Taking medications to help raise HDL cholesterol, including niacin and fibrates, which also lower triglycerides

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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

Cholesterol Levels For Adults

  • Total cholesterol levels less than 200 milligrams per deciliter are considered desirable for adults. A reading between 200 and 239 mg/dL is considered borderline high and a reading of 240 mg/dL and above is considered high.
  • LDL cholesterol levels should be less than 100 mg/dL. Levels of 100 to 129 mg/dL are acceptable for people with no health issues but may be of more concern for those with heart disease or heart disease risk factors. A reading of 130 to 159 mg/dL is borderline high and 160 to 189 mg/dL is high. A reading of 190 mg/dL or higher is considered very high.
  • HDL levels should be kept higher. A reading of less than 40 mg/dL is considered a major risk factor for heart disease. A reading from 41 mg/dL to 59 mg/dL is considered borderline low. The optimal reading for HDL levels is of 60 mg/dL or higher.

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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.

Getting A Cholesterol Test

What is Cholesterol? | LDL and HDL | Good and Bad Cholesterol

We recommend that all adults should get a cholesterol check no matter what your age or how healthy you feel.

The only way to know your cholesterol levels is to get a check.;High cholesterol doesn’t usually have any signs or symptoms and it can be caused by your genes as well as your lifestyle, so we advise getting a check even if you are young, fit and feel healthy.;

A cholesterol check involves a simple blood test.

Your doctor should also check another blood fat called;triglycerides,;as these also affect your heart health.;

A test will show you if you need to make healthy changes.;High cholesterol can lead to heart attacks and strokes. A cholesterol test, along with other simple tests including a blood pressure test,;BMI and waist measurement,;will give you a good idea of your heart health and show you if you need to make any lifestyle changes or need treatment.;

  • Get an NHS Health Check.
  • Also Check: How To Remove Ldl Cholesterol Naturally

    Add These Foods To Lower Ldl Cholesterol

    Different foods lower cholesterol in various ways. Some deliver soluble fiber, which binds cholesterol and its precursors in the digestive system and drags them out of the body before they get into circulation. Some give you polyunsaturated fats, which directly lower LDL. And some contain plant sterols and stanols, which block the body from absorbing cholesterol.

    1. Oats.;An easy first step to lowering your cholesterol is having a bowl of oatmeal or cold oat-based cereal like Cheerios for breakfast. It gives you 1 to 2 grams of soluble fiber. Add a banana or some strawberries for another half-gram. Current nutrition guidelines recommend getting 20 to 35 grams of fiber a day, with at least 5 to 10 grams coming from soluble fiber.

    2. Barley and other whole grains.;Like oats and oat bran, barley and other whole grains can help lower the risk of heart disease, mainly via the soluble fiber they deliver.

    3. Beans.;Beans are especially rich in soluble fiber. They also take a while for the body to digest, meaning you feel full for longer after a meal. That’s one reason beans are a useful food for folks trying to lose weight. With so many choices from navy and kidney beans to lentils, garbanzos, black-eyed peas, and beyond and so many ways to prepare them, beans are a very versatile food.

    4. Eggplant and okra.;These two low-calorie vegetables are good sources of soluble fiber.

    Treatments For High Cholesterol Levels

    If your doctor determines that your cholesterol levels are borderline or too high, they may start you on a management plan to lower your levels. Ways to manage your cholesterol levels include:


    Your doctor may prescribe cholesterol-lowering medication, like statins, if you are at an increased heart disease risk. Statins are used as a preventive measure because they treat plaque buildup in your arteries.

    Diet and lifestyle

    According to Erin Michos, M.D., quoted in Johns Hopkins Medicine, diet and lifestyle are very important to maintaining healthy cholesterol levels. Reducing the amount of saturated fats you eat and exercising for at least 30 minutes a day for five days a week can help you lose weight and reduce your cholesterol levels.

    Limit smoking and alcohol intake

    If you smoke and your cholesterol levels are high, you are at greater risk for artery buildup which can lead to a heart attack or stroke. If you are able to, you should consider a plan to give up smoking. Limiting your alcohol consumption can also help lower your triglycerides and total cholesterol levels.

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    Cholesterol Levels For Children

    By comparison, acceptable levels of total cholesterol and LDL cholesterol in children are different.

    • An acceptable range of total cholesterol for a child is less than 170 mg/dL. Borderline high total cholesterol for a child ranges from 170 to 199 mg/dL. Any reading of total cholesterol over 200 in a child is too high.
    • A childs LDL cholesterol levels should also be lower than an adults. The optimal range of LDL cholesterol for a child is less than 110 mg/dL. Borderline high is from 110 to 129 mg/dL while high is over 130 mg/dL.

    Lifestyle Tips To Cut Cholesterol

    Proper Cholesterol Levels

    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.

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    Interpreting Ldl Cholesterol Test Results

    Possible Cardiovascular RisksWith rising LDL levels, the risk of cardiovascular diseases, related specifically with processes like atherosclerosis a serious condition that occurs in chances of bad cholesterol combining with other substances in the blood. This further leads to the development of plaques in the arteries. With this, the blood flow gets tough.

    Very high LDL cholesterol levels can lead to conditions like:

    Plant Sterols Can Lower Cholesterol Levels

    Plant sterols are found naturally in plant foods including sunflower and canola seeds, vegetable oils and in nuts, legumes, cereals, fruit and vegetables. Some margarine and milks have concentrated plant sterols added to them. Margarines enriched with plant sterolslower LDL cholesterol in most people if the correct amount is eaten .

    Read Also: When Should You Use Statins For Cholesterol

    Can I Test My Own Cholesterol At Home

    Its better to have your cholesterol tested by a professional because taking blood and measuring cholesterol levels is a skilled job and your results will be affected by the way you do the test. Going to a health professional means you will get an accurate reading.

    We dont recommend home sampling, but if you do decide to test your cholesterol at home, follow these simple steps to take your sample safely and get a more accurate result.;;

    What Is Good Cholesterol And How Do I Boost It

    What LDL Cholesterol Level is Normal? – Get YOUR Answers HERE

    Cholesterol is a waxy, fatty substance that plays an important role in the body. It is found in cells and helps produce hormones, like estrogen.

    Your liver produces enough cholesterol for the body to function effectively, but certain foodsprimarily animal products, like eggs, dairy, and meatalso contain cholesterol.

    There are two types of lipoprotein that carry cholesterol to and from cells: high-density lipoprotein and low-density lipoprotein .

    HDL is considered the good cholesterol because a healthy level may protect you from cardiovascular disease.;On the other hand, LDL is considered the bad cholesterol because it contributes to fatty buildup in your arteries.

    Recommended Reading: How To Control High Blood Pressure And Cholesterol Naturally

    Normal Cholesterol Range In Australia

    High cholesterol carries no signs or symptoms, and youâll need a blood test to diagnose it. As a guide, health authorities recommend cholesterol levels should be no higher than 5.5 mmol per litre if there are no other risk factors present, or LDL levels less than 2 mmol/l for those who smoke, have high blood pressure or pre-existing heart disease.

    According to the Australian Bureau of Statistics, 6.1% of all Australians had high cholesterol in 2017-18, a decline from 7.1% in 2014-15, and we fall into the middle rankings compared to other countries.

    What Reduces Cholesterol Quickly

    There is no quick fix for reducing cholesterol. But there are plenty of ways to reduce your cholesterol naturally. Eating a high fiber diet, reducing saturated fat, weight loss , exercise, and smoking cessation are just some of the things within your control. If lifestyle interventions are unsuccessful, medication is always an option.

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    Cholesterol Control: Chicken Vs Beef

    Chicken and beef are both staples of many diet, and they can be prepared and seasoned in thousands of different ways.

    Unfortunately, these common animal proteins are also sources of the type of fat that can elevate your risk for high cholesterol, heart disease, and cardiovascular problems.

    LDL cholesterol contributes to plaque that can clog and narrow your arteries, which can break off as clots. This narrowing and these clots can lead to a heart attack or stroke.

    Since your body produces all of the LDL cholesterol it needs, eating foods that are high in saturated fats, like fatty meats, can increase the amount of LDL cholesterol that your body makes.

    But that in no way means fried chicken with the skin on is a better choice than a grilled sirloin steak at least if youre talking about heart health.

    Complimentary Cme/moc From The Thi Women’s Center

    Make Sense of Your Cholesterol Levels Infographic

    Heart and vascular disease remain the leading contributor to morbidity and mortality among both women and men. While the decrease in mortality among women is well documented, the decline still lags behind that of men, with an alarming tendency towards an increased mortality rate among younger women.

    Read Also: What Is The Average Cholesterol Level

    Safety And Efficacy Of Extremely Low Ldl

    Dhrubajyoti Bandyopadhyay

    1Department of Internal Medicine, Mount Sinai St Lukes Roosevelt, New York, NY, USA

    2Department of Medicine, Lady Hardinge Medical College, New Delhi, India

    3IPGMER, Kolkata, India

    4The University of Texas MD Anderson Cancer Center, Houston, TX, USA

    5Department of Internal Medicine, University of Nebraska Medical Center, Omaha, NE, USA

    6Department of Internal Medicine, IPGMER, Kolkata, India

    7Division of Cardiovascular Diseases, Metrohealth Medical Center, Case Western Reserve University, Cleveland, OH, USA

    Academic Editor:


    1. Introduction

    Hyperlipidemia has always been a topic of interest owing to the concomitant increased risk of adverse cardiovascular events. Coronary artery disease, a leading cause of death in the United States with almost 400,000 deaths/year, is found to be strongly associated with hyperlipidemia . Moreover, increased LDL levels are found to be positively correlated with the increased CV risk. Thus, the treatment of hyperlipidemia plays a crucial role in the management of patients with CAD or those at increased risk of CAD all around the world. About 73.5 million adults in the USA have elevated LDL-cholesterol . The American College of Cardiology/American Heart Association guidelines recommend prescription of evidence-based doses of statins independent of the LDL level .

    2. LDL Metabolism and Pathophysiology of Atherosclerosis

    3. Commonly Used LDL-Lowering Drugs

    6. Why Extremely Low or Low LDL Is Now Discussed


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