Madeleine Hull
Atherosclerosis is a serious condition that can lead to heart attacks and strokes. It is caused by a build-up of plaque in the arteries, which can be triggered by high cholesterol, high blood pressure, chronic inflammation, and smoking. While there are no specific foods or treatments that can reverse atherosclerosis, dietary and lifestyle changes can play a crucial role in preventing and managing the condition. This includes adopting a heart-healthy diet that emphasizes plant-based foods, such as vegetables, fruits, legumes, nuts, whole grains, lean proteins, and fatty fish, while limiting the consumption of saturated fats, trans fats, salt, sugar, and processed meats. These dietary changes, combined with regular physical activity and maintaining a healthy body weight, can help reduce the risk of atherosclerosis and improve overall cardiovascular health.
Characteristics and their values to prevent arteriosclerosis:
| Characteristics | Values |
|---|---|
| Time taken to see changes | 2 years of dietary intervention showed a significant regression in carotid vessel wall volume |
| Types of diets | Mediterranean, low-fat, low-carbohydrate, DASH, plant-based |
| Foods to include | Onions, leafy greens, broccoli, cabbage, cauliflower, beets, citrus fruits, berries, spinach, dark chocolate, fatty fish, nuts, legumes, whole grains, fruits, vegetables, olive oil, oats |
| Foods to avoid | Coconut oil, palm oil, animal fat oils, trans fats, saturated fats, sugar, salt, processed meats, refined carbohydrates |
| Other lifestyle changes | Stay hydrated, maintain a healthy body weight, exercise regularly, quit smoking |
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What You'll Learn
The Mediterranean diet
While there is no consensus on the best dietary model for preventing cardiovascular disease, there is evidence that diet and lifestyle changes can play a key role in preventing and slowing the progression of arteriosclerosis. The Mediterranean diet is one such diet that has been shown to have beneficial effects on cardiovascular health.
Olive oil is a core component of the Mediterranean diet and is associated with better heart health. Fatty fish, such as salmon, are also part of the Mediterranean diet and are rich in anti-inflammatory omega-3 fatty acids, which play an important role in heart health. Nuts are another healthful addition to the Mediterranean diet, as they are often rich in protein, dietary fibre, and healthy fats. However, nuts are high in calories, so portion sizes should be considered.
Overall, the Mediterranean diet is a healthy and balanced way of eating that can help improve cardiovascular health and reduce the risk of arteriosclerosis. This diet focuses on whole foods and plant-based options, which are recommended by organisations like the American Heart Association to reduce the risk of cardiovascular disease.
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Intermittent fasting
While there are no specific foods or treatments that can reverse atherosclerosis, diet and lifestyle changes can help slow or stop the progression of the disease. Atherosclerotic cardiovascular disease (ASCVD) is associated with 11 million deaths and half of CVD deaths globally.
In human studies comparing IF to continuous energy restriction (CER) in adults with overweight or obesity, subjects in both groups lost an average of 3–8% body weight, with no significant differences reported between the groups in most studies. While the impact of IF on cardiometabolic health has been modest, it has shown similar changes to those observed with CER.
A 2014 study on mice contradicts the potential benefits of IF, finding that it induced diabetes and obesity and aggravated spontaneous atherosclerosis development in hypercholesterolaemic mice. However, another study by Salvadori et al. (2021) suggests that intermittent and periodic fasting can inhibit high-fat diet-induced atherosclerosis by improving hypercholesterolemia and reducing monocyte chemoattraction.
Overall, while some studies suggest potential benefits of IF in preventing and managing chronic metabolic diseases, more human studies are needed to fully understand its effectiveness in improving cardiometabolic health and reducing the risk of atherosclerosis.
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Plant-based diets
Poor dietary quality is the leading cause of mortality, accounting for 11 million deaths and half of CVD deaths globally. Atherosclerosis is a condition that arises from multiple risk factors, including inflammation, insulin resistance, impaired blood lipid profile, endothelial dysfunction, and increased cardiovascular risk.
Adopting a plant-based diet has gained popularity as a viable alternative to promote health and mitigate the incidence of, and risk factors associated with, these conditions. A plant-based diet is associated with a lower incidence of coronary artery disease (CAD) and thus lower costs associated with CAD treatment. A plant-based diet is, by definition, low in fat, cholesterol, salt, animal products, and sugar.
The American Heart Association and European Atherosclerotic Society recommend consuming more fruits, vegetables, dietary fibers, and nuts, which are integral to plant-based diets, to prevent the progression of coronary artery disease. The Mediterranean diet, which is typically low in meat and processed foods, is another example of a heart-healthy diet. It prioritizes fruits, vegetables, legumes, healthy fats, and whole grains.
Research has also found an association between dietary nitrate intake and a reduced risk of atherosclerosis-related death. Eating oats can help significantly reduce atherosclerosis risk factors, including high total and LDL (bad) cholesterol. Green leafy vegetables are a good source of dietary nitrates, which can help improve blood vessel function and reduce inflammation.
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Reducing saturated fats
While there are no specific foods or treatments that can reverse atherosclerosis, diet and lifestyle changes can play a key role in preventing and slowing the progression of the disease. Atherosclerosis is a cardiovascular disease in which fatty deposits build up inside the arteries, increasing the risk of heart problems.
A diet high in saturated fats, including meat, dairy products, and eggs, has been linked to an increased risk of atherosclerosis. Saturated fats can increase circulating atherogenic lipoproteins and inflammatory markers, leading to plaque build-up and potential rupture in the arteries. Therefore, reducing the consumption of saturated fats is recommended to lower the risk of atherosclerosis and associated cardiovascular issues.
To reduce saturated fats in your diet, it is important to make some substitutions and choose healthier alternatives. Here are some specific ways to achieve this:
- Replace red meats: Opt for skinless chicken or fish a few days a week instead of red meats, which tend to be high in saturated fats. Fatty fish like salmon and mackerel are rich in omega-3 fatty acids, which have anti-inflammatory properties and support heart health.
- Choose healthier oils: Use canola or olive oil instead of butter and other solid fats. Olive oil is a core component of the Mediterranean diet and is associated with better heart health. Coconut, palm, and animal fat oils, on the other hand, are linked to poorer cardiovascular health.
- Opt for low-fat or non-fat dairy: Switch from whole-fat dairy products to low-fat or nonfat options like milk, yogurt, and cheese. Dairy products can contain significant amounts of saturated fat, so choosing lower-fat alternatives can help reduce your intake.
- Increase fruit and vegetable intake: Consume more fruits and vegetables, as they are typically low in saturated fats and provide essential nutrients. Green leafy vegetables, in particular, are rich in dietary nitrates, which can improve blood vessel function and reduce inflammation associated with atherosclerosis.
- Choose whole grains: Incorporate more whole grains into your diet, as they are generally low in saturated fats and offer additional nutritional benefits.
- Read food labels: When purchasing packaged foods, read the nutrition labels to monitor your saturated fat intake. This awareness can help you make informed choices and select options with lower saturated fat content.
By implementing these changes, you can effectively reduce your saturated fat intake, which is beneficial for preventing and slowing the progression of atherosclerosis. However, it is important to consult with a healthcare professional or a registered dietitian to determine the best dietary approach for your individual needs and circumstances.
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Increasing fibre intake
While there are no specific foods or treatments that can reverse arteriosclerosis, diet and lifestyle changes can help slow or stop the progression of the disease. Increasing fibre intake is one of the dietary strategies that can help improve cardiovascular health and lower the risk of heart disease.
Types of Fibre
There are two main types of fibre: soluble and insoluble. Soluble fibre is found in some fruits, vegetables, oats, and barley. Insoluble fibre is found in whole-grain foods, bran, nuts, and seeds.
Benefits of Increasing Fibre Intake
Observational studies have shown that increasing fibre intake is associated with a reduced risk of developing cardiovascular disease. Specifically, higher fibre intake can lead to the following benefits:
- Improved measures of total and LDL (bad) cholesterol
- Lower blood cholesterol levels
- Reduced blood pressure
- Improved blood glucose control
- Improved body weight management
- Improved lipid profile and inflammatory markers
Foods Rich in Fibre
To increase fibre intake, it is recommended to consume a variety of plant-based foods, including:
- Vegetables: cruciferous vegetables like broccoli, cabbage, and cauliflower; green leafy vegetables; onions
- Fruits: citrus fruits
- Whole grains: oats, barley, and other fibre-rich carbohydrates
- Legumes: beans, lentils, and peas
- Nuts and seeds: almonds, walnuts, flax seeds, and chia seeds
Other Dietary Considerations
In addition to increasing fibre intake, it is important to make other dietary changes to improve arteriosclerosis. This includes reducing the consumption of saturated and trans fats, lowering salt intake, and limiting processed meats, refined carbohydrates, and sugar-sweetened foods. Prioritizing a plant-based diet and including other heart-healthy foods, such as fatty fish, olive oil, and dark chocolate, can also be beneficial.
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Frequently asked questions
There is no definitive answer to this question as the impact of dietary changes on arteriosclerosis depends on various factors, including the severity of the condition and individual responses to treatment. However, studies have shown that certain diets can help manage and prevent arteriosclerosis over time. For example, a 2-year dietary intervention study found that low-fat, low-carbohydrate, and Mediterranean diets led to a significant regression in carotid vessel wall volume, indicating a potential reduction in arteriosclerosis.
There are several diets recommended by various organizations and supported by research that may help with arteriosclerosis:
- Mediterranean diet: This diet emphasizes fruits, vegetables, legumes, healthy fats, and whole grains while being low in meat and processed foods.
- DASH diet: This diet is designed to help manage blood pressure and reduce the risk of heart disease.
- Plant-based diets: These focus on whole foods and can help slow the progression of coronary artery disease.
- Low-carbohydrate diets: These diets can be effective in reversing carotid arteriosclerosis, but should be followed under medical supervision and for short periods of time.
There are several foods that are particularly beneficial for arteriosclerosis:
- Cruciferous vegetables: Broccoli, cabbage, and cauliflower are associated with a decreased risk of arteriosclerosis.
- Green leafy vegetables: These are rich in dietary nitrates, which improve blood vessel function and reduce inflammation.
- Onions: Onions contain sulfur compounds that may help prevent blood vessel inflammation and inhibit platelet clumping.
- Citrus fruits: These fruits are rich in antioxidants and flavonoids, which decrease inflammation and prevent oxidation of LDL cholesterol.
- Oats: Oats help reduce atherosclerosis risk factors, including high total and LDL cholesterol.
- Fatty fish: These are a good source of anti-inflammatory omega-3 fatty acids, which are important for heart health.
- Nuts: Nuts provide protein, dietary fiber, and healthy fats, but should be consumed in moderation due to their high calorie content.
Yes, certain foods and drinks can worsen arteriosclerosis or increase the risk of developing it:
- Saturated and trans fats: These can raise cholesterol levels and contribute to plaque formation in the arteries.
- Sugar and refined carbohydrates: These can also increase the risk of plaque buildup and should be limited or avoided.
- Salt: High salt intake can increase blood pressure and damage artery walls, making them more susceptible to plaque buildup.
- Processed meats: These are often high in saturated fat and sodium, which can negatively impact heart health.
- Fried and baked goods: These are typically high in fat, sugar, salt, and cholesterol, which can worsen arteriosclerosis.
Yes, in addition to dietary changes, there are several lifestyle modifications that can positively impact arteriosclerosis:
- Weight management: Obesity is a significant risk factor for arteriosclerosis. Maintaining a healthy weight through a balanced diet and regular physical activity can reduce the risk.
- Smoking cessation: Tobacco use is a major risk factor for arteriosclerosis, so quitting smoking is crucial.
- Managing diabetes: People with diabetes are more prone to developing atherosclerosis, so careful blood sugar control is essential.
- Hydration: Proper hydration supports circulation and keeps arteries functioning optimally.
- Supplements: Consult with a healthcare professional about supplements like plant sterols, which can help lower LDL cholesterol levels.
