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What Is The Limit Of Ldl Cholesterol

What Does Hdl Cholesterol Do

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HDL clears from the body via the liver. HDL may therefore prevent the buildup of plaque, protect your arteries, and protect you from atherosclerotic cardiovascular disease. It is considered the good cholesterol, and higher levels are better. A good goal to aim for is higher than 55 mg/dL for women and 45 mg/dL for men. The higher your HDL cholesterol numbers, the lower your risk is for heart disease, vascular disease, and stroke.

Why Is Hdl Good

HDL helps keep your cardiovascular system healthy. It actually aids in the removal of LDL from the arteries.

It carries the bad cholesterol back to the liver, where its broken down and eliminated from the body.

High levels of HDL have also been shown to protect against stroke and heart attack, while low HDL has been shown to increase those risks.

According to the National Institutes of Health , HDL levels of 60 mg/dL and higher are considered protective, while those under 40 mg/dL are a risk factor for heart disease.

What Are The Different Types Of Cholesterol

Cholesterol does not travel freely through the bloodstream. Instead, it is attached or carried by lipoproteins in the blood. There are three types of lipoproteins that are categorized based upon how much protein there is in relation to the amount of cholesterol.

Low-density lipoproteins contain a higher ratio of cholesterol to protein and are thought of as the bad cholesterol. Elevated levels of LDL lipoprotein increase the risk of heart disease, stroke, and peripheral artery disease, by helping form cholesterol plaque along the inside of artery walls. Over time, as plaque buildup increases, the artery narrows , and blood flow decreases. If the plaque ruptures, it can cause a blood clot to form that prevents any blood flow. This clot is the cause of a heart attack or myocardial infarction if the clot occurs in one of the coronary arteries in the heart.

High-density lipoproteins are made up of a higher level of protein and a lower level of cholesterol. These tend to be thought of as good cholesterol. The higher the HDL to LDL ratio, the better it is for the individual because such ratios can potentially be protective against heart disease, stroke, and peripheral artery disease.

Very low-density lipoproteins contain even less protein than LDL. VLDL like LDL has been associated with plaque deposits.

Triglycerides may increase cholesterol-containing plaques if levels of LDL are high and HDL is low.

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What To Know About Triglycerides

In addition to cholesterol, you might hear about your triglycerides, another kind of fat found in the bloodstream. Women should pay particular attention to this. A high level of triglycerides seems to predict an even greater risk for heart disease in women compared with men, says Michos.

When you take in more calories than you need, your body converts the extra calories into triglycerides, which are then stored in fat cells. Triglycerides are used by the body for energy, but people with excess triglycerides have higher risk of medical problems, including cardiovascular disease. Drinking a lot of alcohol and eating foods containing simple carbohydrates , saturated fats and trans fats contributes to high triglycerides. High levels may also be caused by health conditions such as diabetes, an underactive thyroid, obesity, polycystic ovary syndrome or kidney disease.

Triglycerides also circulate in the bloodstream on particles that may contribute to plaque formation. Many people with high triglycerides have other risk factors for atherosclerosis, including high LDL levels or low HDL levels, or abnormal blood sugar levels. Genetic studies have also shown some association between triglycerides and cardiovascular disease.

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What Affects My Cholesterol Levels

Which is good cholesterol? LDL or HDL?

A variety of things can affect cholesterol levels. These are some things you can do to lower your cholesterol levels:

  • Diet. Saturated fat and cholesterol in the food you eat make your blood cholesterol level rise. Saturated fat is the main problem, but cholesterol in foods also matters. Reducing the amount of saturated fat in your diet helps lower your blood cholesterol level. Foods that have high levels of saturated fats include some meats, dairy products, chocolate, baked goods, and deep-fried and processed foods.
  • Weight. Being overweight is a risk factor for heart disease. It also tends to increase your cholesterol. Losing weight can help lower your LDL cholesterol, total cholesterol, and triglyceride levels. It also raises your HDL cholesterol level.
  • Physical Activity. Not being physically active is a risk factor for heart disease. Regular physical activity can help lower LDL cholesterol and raise HDL cholesterol levels. It also helps you lose weight. You should try to be physically active for 30 minutes on most, if not all, days.
  • Smoking.Cigarette smoking lowers your HDL cholesterol. HDL helps to remove bad cholesterol from your arteries. So a lower HDL can contribute to a higher level of bad cholesterol.

Things outside of your control that can also affect cholesterol levels include:

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Where Does Cholesterol Come From

The liver is responsible for managing the levels of LDL in the body. It manufactures and secretes LDL into the bloodstream. There are receptors on liver cells that can “monitor” and try to adjust the LDL levels. However, if there are fewer liver cells or if they do not function effectively, the LDL level may rise.

Diet and genetics both play a factor in a person’s cholesterol levels. There may be a genetic predisposition for familial hypercholesterolemia where the number of liver receptor cells is low and LDL levels rise causing the potential for atherosclerotic heart disease at a younger age.

In the diet, cholesterol comes from saturated fats that are found in meats, eggs, and dairy products. Excess intake can cause LDL levels in the blood to rise. Some vegetable oils made from coconut, palm, and cocoa are also high in saturated fats.

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The goal is to have patients modify lifestyle and diet to maintain cholesterol levels within the normal range. It is important to remember that HDL may protect a patient from heart disease and it may be a treatment goal to raise a too low level of HDL.

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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How Is High Cholesterol Treated

There are several ways to lower high blood cholesterol , including lifestyle changes or medication, or both. Your healthcare provider will work with you to determine which therapy is best for you.

Lifestyle modifications

Healthcare providers like to start with the least invasive treatments when possible, such as lifestyle changes. Youll be advised to:

  • Avoid tobacco. If you do smoke, quit. Smoking is bad for you in many ways, and reducing your level of good cholesterol is one of them.
  • Change the way you eat. Limit the number of trans fats and saturated fat. Eat heart-healthy foods like fruits, vegetables, poultry, fish and whole grains. Limit red meat, sugary products and dairy products made with whole milk.
  • Get more exercise. Try to get about 150 minutes of physical activity every week, or about 30 minutes per day for most days of the week.
  • Keep a healthy weight. If you need to lose weight, talk to your healthcare provider about safe ways to do this. Youll see results even before you reach your ideal weight. Losing even 10% of your body weight makes a difference in your cholesterol levels.
  • Reduce the effect of negative emotions. Learn healthy ways to deal with anger, stress or other negative emotions.
  • Control blood sugar and blood pressure. Make sure you follow your healthcare providers instructions for blood sugar levels, especially if you have diabetes, and for keeping blood pressure in the healthy range.

Medications

  • Atorvastatin .
  • Simvastatin .
  • Pitavastatin .

How Often To Get Tested

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According to the Centers for Disease Control and Prevention , most healthy adults should get their cholesterol checked every four to six years.

Your risk factors also determine how often your cholesterol should be checked. Adults who have a history of high cholesterol, heart disease, diabetes, or obesity need more frequent readings, as do all adults as they age.

Children should have their cholesterol checked at least once between the ages of 9 and 11 and again between 17 and 20 years of age. If a child has a family history of high cholesterol, heart disease, or is overweight or obese, their pediatrician may recommend getting checked sooner and more often.

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

It isnt often that people have bad cholesterol that is too low or good cholesterol that is too high. There are studies being done that suggest that extremes of any kind are not healthy for everyone.

Even though there is no clear-cut number about what LDL level is too low, levels under 40 mg/dL may be associated with certain health issues, including depression/anxiety, and hemorrhagic stroke.

However, there is data from clinical trials to support that there is no evidence of harm when LDLs remain < 40mg/dl on statin therapy.

In some cases, genetic conditions can cause you to have very low cholesterol levels. In other cases, nutritional problems, some cancers, hypothyroidism and certain infections can also cause low cholesterol levels. In any of these types of situations, the underlying issues need to be addressed.

In terms of having too much of a good thing, researchers are studying the effects of too much HDL, the good cholesterol. No conclusions have been reached, but there have been studies into the possible relationship between high HDL and cancer, and a greater risk of heart attack among the high risk. Excessively high HDL may be dysfunctional HDL and not protective.

How To Lower Ldl Cholesterol

Lifestyle and diet changes are the main ways to prevent or lower high LDL. A trial of eating a low-fat diet, regular aerobic activity, maintaining a healthy weight, and smaller waist circumference is an appropriate first step. It is best to set a timeline to achieve your goals with your doctor. In some cases, if those lifestyle changes are not enough, your physician may suggest a cholesterol lowering medication, such as a statin. If you are considering over-the-counter herbal or ayurvedic medications for cholesterol, please discuss those with your physician first as well.

Rarely, very high LDL is genetic and passed down in families. This is called familial hypercholesterolemia and is caused by a genetic mutation that decreases the livers ability to clear excess cholesterol. This condition can lead to very high LDL levels, and heart attack or stroke at a young age in multiple generations. Those individuals may require special medical treatment for prevention and treatment of atherosclerotic cardiovascular disease.

Remember, knowledge is the first step. If you dont know your cholesterol levels, get tested. That will give you and your physician a starting point for lifestyle changes and medications if needed. In the meantime, adopt a heart-healthy lifestyle, and do it with friends and family no matter their ages. Theres no time like the present to prevent heart disease.

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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

Why Is High Cholesterol A Problem

Whatâs the Difference between âGoodâ? and âBadâ? Cholesterol?

Too much cholesterol in the bloodstream can harden arteries and promote fatty deposits within these arteries, potentially leading to dangerous blockages and narrowing over time called atherosclerosis.

If the blood vessels leading to your heart become too clogged, blood supply to your heart is reduced, which can lead to symptoms such as angina . If the artery becomes completely blocked, it can lead to a heart attack and stroke, which can be life threatening.

In 2017, the Australian Bureau of Statistics reported 43, 477 deaths in Australia from heart disease. This is approximately 30 per cent of all deaths in Australia, and most deaths are occurring in those aged 65 years and over.

However, heart disease takes years to develop, so you can take steps to reduce your risk.If you discover you have high cholesterol, have family members with high cholesterol, or are not sure if you’re at risk, it is advisable you seek your doctor’s advice.

Other risk factors for heart disease include increased age, ethnicity, family history, inactivity, smoking, high blood pressure, type 2 diabetes and obesity.If these risk factors are present in your life, it’s even more important to keep your blood cholesterol levels in check and seek your doctor’s advice.

can help you begin to assess your risk, but we strongly advise you discuss your risk with your GP as this tool does have limitations it doesn’t take your family history into account, for example.

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Cholesterol Levels By Age Chart Canada

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What Exactly Is Sex

Society typically tells us that there are two sexes: male and female. You may also be familiar with the fact that some people are intersex, or have a difference of sexual development .

DSD is used to describe chromosomes, anatomy, or sex characteristics that cant be categorized as exclusively male or female.

As with names and pronouns, its important to refer to people in the manner that they prefer. Some people are comfortable with the term intersex and use it to describe themselves. Others have moved away from using this term and refer to their condition as a DSD.

With some research reporting that as many as are acknowledging that sex may be far more complex than what the traditional male-female binary accounts for.

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What Factors Affect Cholesterol Levels

A variety of factors can affect your cholesterol levels. They include:

  • Diet: Saturated fat, trans fat and cholesterol in the food you eat increase cholesterol levels. Try to reduce the amount of saturated fat, trans fat and cholesterol in your diet. This will help lower your blood cholesterol level. Saturated and trans fat have the most impact on blood cholesterol.
  • Weight: In addition to being a risk factor for heart disease, being overweight can also increase your triglycerides. Losing weight may help lower your triglyceride levels and raise your HDL.
  • Exercise: Regular exercise can lower total cholesterol levels. Exercise has the most effect on lowering triglycerides and raising HDL. You should try to be physically active for 30 minutes on most days of the week.
  • Age and sex: As we get older, cholesterol levels rise. Before menopause, women tend to have lower total cholesterol levels than men of the same age. After menopause, however, womens LDL levels tend to rise and HDL can drop.
  • Heredity: Your genes partly determine how much cholesterol your body makes. High blood cholesterol can run in families.

Good And Bad Cholesterol

How Can I Lower Cholesterol With Diet?

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.

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