the truth about cholesterol

The Truth About Cholesterol and Why We Need It - Megan Crozier Nutritional TherapyNutritionWhy dietary cholesterol doesn't matter (for most people) High blood cholesterol levels are a known risk factor for heart disease. For decades, people have been told that dietary cholesterol in foods raises cholesterol levels in the blood and causes heart disease. This idea may have been a rational conclusion based on science available 50 years ago, but better, more recent evidence does not support it. This article closely analyzes current research on dietary cholesterol and the role it plays in cholesterol levels in the blood and heart disease. Cholesterol is an undulating substance, similar to fat that occurs naturally in your body. Many people think cholesterol is harmful, but the truth is that it is essential for their body to work. Cholesterol contributes to the membrane structure of each cell in your body. Your body also needs it to make hormones and vitamin D, as well as perform several other important functions. In short, you couldn't survive without her. Your body makes all the cholesterol you need, but also absorbs a relatively small amount of cholesterol from certain foods, such as , meat and dairy products with full fat. Summary Cholesterol is a undulating substance, similar to the fat humans need to survive. His body makes cholesterol and absorbs it from the food he eats. Cholesterol is a undulating substance, like the fat humans need to survive. His body makes cholesterol and absorbs it from the food he eats. When people talk about cholesterol in relation to the health of the heart, they are usually not talking about cholesterol itself. They refer to lipoproteins — structures that carry cholesterol in the bloodstream. Lipoproteins are made of fat (lipid) inside and proteins outside. There are several types of lipoproteins, but heart health is low-density lipoprotein (LDL) and high-density lipoprotein (HDL). Low-density lipoprotein (LDL)LDL comprises 60-70% of total blood lipoproteins and is responsible for carrying cholesterol particles through your body. It is often known as "bad" cholesterol, as it has been linked to , or the accumulation of plaque in the arteries. Having a lot of cholesterol transported by LDL lipoproteins is associated with a higher risk of heart disease. In fact, the higher the level, the higher the risk (, ).There is, mainly broken down by size. They are often classified as small, dense or large LDL. Studies show that people who have mainly small particles have a higher risk of developing heart disease than those with mostly large particles (). However, the size of LDL particles is not the most important risk factor, it is the number of them. This measurement is called the number of LDL particles, or LDL-P.Generally, the higher the number of LDL particles you have, the higher your risk of developing heart disease. High-density lipoprotein (HDL)HDL absorbs excess cholesterol throughout your body and takes you back to your liver, where you can use or excrete. Some evidence indicates that HDL protects against plaque buildup within the arteries (, ). It is often known as "good" cholesterol, since having cholesterol taken by HDL particles is associated with a lower risk of heart disease (, , ). Summary Lipoproteins are particles that carry cholesterol around your body. A high level of LDL lipoproteins is associated with a higher risk of heart disease, while a high level of HDL lipoproteins reduces your risk. Lipoproteins are particles that carry cholesterol around your body. A high level of LDL lipoproteins is associated with a higher risk of heart disease, while a high level of HDL lipoproteins reduces your risk. The amount of cholesterol in your diet and the amount of cholesterol in your blood are very different things. Although it may seem logical that eating cholesterol would raise cholesterol levels in the blood, it usually doesn't work that way. The body firmly regulates the amount of cholesterol in the blood by controlling its cholesterol production. When your dietary intake of low cholesterol, your body does more. When you eat large amounts of cholesterol, your body does less. Because of this, high foods in dietary cholesterol have very little impact on cholesterol levels in the blood in most people (, , , ). However, in some people, raise cholesterol levels in the blood. These people represent about 40% of the population and are often called "hyperresponders". This trend is considered genetic (, ).Although dietary cholesterol modestly increases LDL in these individuals, it does not seem to increase your risk of heart disease (, ).This is because the overall increase in LDL particles generally reflects an increase in large LDL particles — not small, dense LDL. In fact, people who have mainly large LDL particles have a lower risk of heart disease (). Hyperresponders also experience an increase in HDL particles, which compensates for the increase of LDL by transporting excess cholesterol back to the liver for the removal of the body (). As such, while the experience of hyperresponders increases cholesterol levels when they increase their dietary cholesterol, the one in these individuals remains the same and their risk of heart disease does not seem to rise. Of course, there are always exceptions in nutrition, and some individuals can see adverse effects of eating more cholesterol-rich foods. Abstract Most people can adapt to higher cholesterol intake. Thus, dietary cholesterol has little effect on cholesterol levels in the blood. Most people can adapt to higher cholesterol intake. Thus, dietary cholesterol has little effect on cholesterol levels in the blood. Contrary to popular belief, it is not only caused by cholesterol. Many factors are involved in the disease, including , oxidative stress, high blood pressure and smoking. While heart disease is often caused by lipoproteins that carry cholesterol around, dietary cholesterol itself has little or no effect on this. However, high-heat cooking of cholesterol-rich foods can cause the formation of oxysterols (). Scientists have hypothesized that high blood levels of oxysterols can contribute to the development of heart disease, but more tests are needed before any strong conclusion can be reached (). High-quality research does not find any link with heart disease High-quality studies have shown that dietary cholesterol is not associated with a higher risk of heart disease (, ). Much research has been done on eggs specifically. Eggs are a significant source of dietary cholesterol, but several studies have shown that eating them with a high risk of heart disease (, , , , , , ).In addition, eggs can even help improve their lipoprotein profiles, which could reduce their risk. A study compared the effects of a yema-free egg substitute on cholesterol levels. People who ate three whole eggs per day experienced a higher increase in HDL particles and a greater decrease in LDL particles than those that consumed an equivalent amount of egg substitute (). However, it is important to note that eating eggs may pose a risk to those with diabetes, at least in the context of a regular Western diet. Some studies show a higher risk of heart disease in people with diabetes who eat eggs (). Summary Dietary cholesterol is not linked to the risk of heart disease. High-quality foods such as eggs have proven to be safe and healthy. Dietary cholesterol is not linked to the risk of heart disease. High-quality foods such as eggs have proven to be safe and healthy. For years, people have been told that high cholesterol intake can cause heart disease. However, the studies mentioned above have made it clear that this is not the case (). Many high-quality foods are also among the most on the planet. These include cow meat, whole eggs, full fat dairy products, seafood, sardines and liver. Many of these foods are also high in saturated fat. Studies suggest that replacing dietary saturated fat with polyunsaturated fat reduces the risk of heart disease (). The potential role of saturated fat in developing heart disease is otherwise controversial (). Abstract Most foods that are high in cholesterol are also super nutritious. This includes whole eggs, fish oil, sardines and liver. Most foods that are high in cholesterol are also super nutritious. This includes whole eggs, fish oil, sardines and liver. If you have high cholesterol, you can often through simple lifestyle changes. For example, it can help reverse high cholesterol. Several studies show that a modest weight loss of 5-10% can lower cholesterol and lower the risk of heart disease in people with excess weight (, , , , , ). Besides, many. These include avocados, legumes, nuts, soy foods, fruits and vegetables (, , , , , ). Adding these foods to your diet can help reduce cholesterol and reduce the risk of heart disease. Being physically active is also important. Studies have shown that exercise improves cholesterol levels and heart health (, , ). Summary In many cases, high cholesterol can be reduced by making simple lifestyle changes. Losing extra weight, increasing physical activity and eating a healthy diet can help reduce cholesterol and improve heart health. In many cases, high cholesterol can be reduced by making simple lifestyle changes. Losing extra weight, increasing physical activity and eating a healthy diet can help reduce cholesterol and improve heart health. High blood cholesterol levels are a risk factor for heart disease. However, dietary cholesterol has little or no effect on cholesterol levels in most people. More importantly, there is no significant link between the cholesterol you eat and your risk of heart disease. Last medical review on September 26, 2019Read this following

Healthy Life Healthy LifeEverything you thought you knew about cholesterol is wrong The experts give us the real deal on eggs, butter and more by Jodi Helmer, February 20, 2015 Silence Comments: 0 Brian Jackson / Alamy Saturated fat found in butter can help increase "good" HDL cholesterol. The ninety-nine million Americans have high, and most of what they know about their condition is probably wrong. We have asked medical experts to weigh in seven common cholesterol concepts. Myth: Cholesterol is bad Myth: Cholesterol is badTruth: Cholesterol is like cake, good in moderation. It is misleading to call cholesterol a grease that is evil and closure of arteries because cholesterol performs many important functions. Truth:The waxy substance helps to produce hormones, cell membranes and vitamin D, and helps in . It also plays a role in cognitive function, helping to form . Most cholesterol in your bloodstream is, in fact, created by your body, not your diet. However, this doesn't mean you should skip the fruit in favor of the steak. To keep cholesterol levels low 200 milligrams per deciliter, or mg/dL, it is essential to eat one, keep one and quit smoking. RelatedMyth: A low-fat diet is the best Myth: A low-fat diet is the best Truth: Bring butter. Research is challenging the notion of decades that — which is mainly found in meat, butter and cheese — is the main cause of obstructed arteries and heart disease. While saturated fat increases LDL cholesterol ("bad"), it also increases HDL cholesterol ("good"). In addition, there are other dietary villains, such as too much sugar and carbohydrates, which can also lead to an accumulation of artery cutting particles. A study published last year in the Annals of Internal Medicine found no link between eating saturated fats and increasing the risk of heart attacks. High or low-fat foods in saturated fat can be harmful, beneficial or neutral, depending on the type of food, says Dariush Mozaffarian, M.D., co-author of the study and Dean of the Friedman School of Nutritional Sciences and Policy at Tufts University. A low carbohydrate diet, which means low in foods such as white bread, white rice, potatoes, biscuits and sugar, is more effective to increase "good" cholesterol and reduce triglycerides, he says. The addition of healthy fats, such as nuts and olive oil, can also help reduce risk and . Truth:Myth: You Must Fast Before a Cholesterol Test Myth: You Must Speed Before a Cholesterol Test Truth: There is no need to appear for a cholesterol test in an empty stomach. Research published in Circulation magazine compared the blood lipid panels of fasting patients and not fasting and found that the results for LDL, triglycerides and total cholesterol are equally accurate. In addition, there was no difference in fasting capacity or non-fast tests to predict the death of heart disease. The truth: "People spend most of their time in a non-active state," says Sripal Bangalore, M.D., Senior Researcher and Associate Professor of Medicine at New York University. "It doesn't make sense to measure your cholesterol levels when you are in your best behavior. "The fasting requirement is not only inconvenient, it could also affect treatment options. Bangalore points out that patients are often asked not to help reprogram the test, which may delay the treatment. "I hope the [study] changes the practices for cholesterol tests, and more doctors will feel comfortable looking at non-fast results," he says. Myth: Statins will solve the problem Myth: Statins will solve the problem Truth: For some people, including those with heart disease, cholesterol-lowering medicines are an important part of the treatment. But some people could jump—and their—and achieve the same results with lifestyle changes. Truth: In a study published in BMJ, Harvard health policy expert John Abramson, M.D., found that people with less than 20 percent risk of heart disease in the next 10 years did not have a significant reduction in death as a result of taking statins. Although research showed that statins had no overall health benefit for those who had low heart disease risk, doctors continue to prescribe drugs. The risk, according to Abramson, is that patients will take the pill instead of focusing on it will be so effective in reducing their risk of heart disease. "In many cases, exercise, eating a healthy diet and not smoking will be much more effective in reducing the risk of heart disease than taking a statin," he says. Myth: Drugs that lower cholesterol may ruin your sexual life Myth: Drugs that lower cholesterol may ruin your sexual life Truth: They might improve it. Although there have been some concerns that statins might interfere with the production of testosterone due to the role of cholesterol in the production of the hormone, a study published in 2014 in the Journal of Sexual Medicine found that statins increased by almost 25 percent. Truth:Science works like this: Cholesterol obstructs arteries, restricting blood flow. Statins reduce cholesterol, improving the ability of the arteries to dilate, which can help increase erectile function. John B. Kostis, M.D., chief and associate dean of cardiovascular research at the Robert Wood Johnson Medical School at Rutgers University, warns that statins should not be used explicitly to improve erectile function. But if you're in a statin anyway, men can see an improvement "in a couple of weeks." Myth: If you are looking at your cholesterol, eggs are the enemy Myth: If you are seeing your cholesterol, eggs are the enemyTruth: Put eggs back on your menu. The Federal Dietary Guidelines Advisory Committee has recently left its recommendation that healthy adults limit high cholesterol foods, such as eggs and seafood, because research shows that they only have a slight effect on cholesterol in the blood. In fact, researchers at Yale University found that even those with coronary heart disease could safely consume two eggs a day for six weeks and not experience adverse effects on cholesterol levels. In addition, the "absolute and edible egg" is also a good source of choreine, a nutrient that plays an important role in memory, and the yolk is full of antioxidants such as lutein and zeaxanthin, which help prevent .Truth: Myth: Statins are the only medication that decreases cholesterol in the marketMyth: Statins are the only drug that decreases cholesterol in the market A 2014 study published in the Lancet found that medicines, which are currently in clinical study, reduce LDL cholesterol levels to 60 percent more than placebo medications. If it is proven safe, medicines would be a welcome alternative for patients who cannot tolerate the side effects of traditional statins. Truth:Jodi Helmer brings health stories to AARP. Join the discussion Please leave your comment below. You must be logged in to leave a comment. AARP is a non-profit and non-participation organization that empowers people to choose how they live as they age. Members Benefits Disrupt AgingCommunitiesInformation For YouAARP FoundationFor ProfessionalsHealth & WellnessSocial Security & MedicareFamily CaregivingWork & Jobs Take Action Have fun, look, listen You're leaving AARP.org and go to our trusted provider's website. The terms, conditions and policies of the provider apply. Please return to AARP.org to learn more about other benefits. Your email address is confirmed. You will begin receiving the latest news, benefits, events and programs related to AARP's mission to empower people to choose how they live as they age. 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