Brenda Khan
The cardiac diet is an eating plan that promotes heart health by encouraging the consumption of fruits, vegetables, whole grains, lean poultry, and oily fish, while limiting processed foods high in sugar, salt, and unhealthy fats. It is also known as a heart-healthy diet and aims to reduce the risk of cardiovascular disease. The diet can be challenging for those accustomed to eating refined carbs and processed foods, but it offers numerous health benefits, including lowering the risk of heart disease and diabetes. The Mediterranean diet, DASH diet, and vegetarian diets are examples of heart-healthy diets that have been proven to be effective in preventing cardiovascular disease.
| Characteristics | Values |
|---|---|
| Purpose | Reduce the risk of cardiovascular disease |
| Food to eat | Vegetables, fruits, whole grains, lean poultry, oily fish, nuts, legumes, quinoa, blueberries, spinach, oats, salmon, tuna, chicken thighs, Greek yogurt, etc. |
| Food to avoid | Salt, sugar, alcohol, tobacco, fried food, processed food, fatty meat, full-fat dairy, sweets, snacks containing partially hydrogenated oils, etc. |
| Calorie intake | Calorie intake depends on age, gender, and level of physical activity. |
| Physical activity | 150 minutes of moderate physical activity or 75 minutes of vigorous physical activity per week |
| Lifestyle changes | Avoid tobacco and vaping products, limit alcohol intake |
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What You'll Learn
The Mediterranean diet
Eating healthily is key to preventing and managing cardiovascular disease. The Mediterranean diet is consistently ranked as one of the best diets by US News and World Report, and it is touted as one of the healthiest by many health organisations and dietitians. This is because the Mediterranean diet is rich in fruits, vegetables, whole grains, and heart-healthy fats, and it is both delicious and nutritious.
A sample menu for a week of meals on the Mediterranean diet could include Greek yogurt with strawberries and chia seeds for breakfast, a whole grain sandwich with hummus and vegetables for lunch, and a tuna salad with greens and olive oil, as well as a fruit salad for dinner. Other meals could include Mediterranean pizza made with whole wheat pita bread and topped with cheese, vegetables, and olives, or baked chicken with vegetables and nuts.
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Alcohol consumption
A 2023 study found that alcohol consumed in small to moderate amounts may benefit the heart by reducing stress signalling in the body. The study, presented at the American College of Cardiology 2021, analysed the healthcare records of over 53,000 people and found that moderate drinking, defined as no more than one drink per day for women and no more than two drinks per day for men, was associated with a 20% lower risk of heart disease compared to abstainers. The authors suggested that moderate drinking may help reduce stress and lower the incidence of cardiovascular disease. However, it is important to note that the study relied on self-reported alcohol intake data and had other limitations, so further research is needed to confirm these findings.
In contrast, the World Health Organization warns that no level of alcohol consumption is safe for health. Cardiovascular surgeon Dr Jeremy London agrees, stating that alcohol is a toxic substance and that even one drink a week can impact health. He also notes that alcohol-based mouthwash can negatively affect blood pressure by disrupting the oral microbiome and reducing the production of nitric oxide, which is involved in regulating blood pressure.
The cardiac diet generally recommends consuming little to no alcohol. Some people believe that a moderate intake of red wine may protect the heart due to its antioxidant content, but the evidence for this is weak. Additionally, the benefits of moderate alcohol consumption may be outweighed by other factors such as a person's diet, physical activity, smoking status, and sleep patterns. Furthermore, heavy or binge drinking can have detrimental effects on cardiovascular health, and combining moderate consumption with episodes of heavy drinking may not provide any benefits.
When it comes to alcohol consumption, it is essential to consider individual choices and circumstances. While moderate drinking may have potential cardiovascular benefits for some, it is not a recommendation for everyone. It is always advisable to consult with a healthcare professional for personalised guidance regarding alcohol consumption and heart health.
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Portion sizes
When it comes to portion sizes, it is recommended to check food labels for portion sizes and nutritional information. This can help individuals make informed decisions about their food intake and ensure they are not consuming too much of any one item. For example, when snacking, Dr. DeVane suggests choosing healthy nuts or edamame, which are filling and can help reduce the amount of food consumed.
Additionally, it is important to be mindful of the types of food being consumed. A diet rich in fruits and vegetables is associated with a reduced risk of heart disease. The Mediterranean diet, which emphasizes fruits and vegetables, whole grains, legumes, and olive oil, is a popular heart-healthy option. Lean meats, poultry, and seafood are also recommended, as they are high in protein and have fewer calories.
For those looking to improve their heart health, it is suggested to limit processed foods, refined carbs, and foods high in sugar, salt, and unhealthy fats. These can increase the risk of heart disease and should be replaced with healthier alternatives. It is also important to note that nutritional needs may vary depending on factors such as age, gender, and level of physical activity.
While making dietary changes can be challenging, it is beneficial to start with small changes and gradually incorporate more heart-healthy options. This can include baking or grilling food instead of frying, reducing portion sizes when dining out, and increasing physical activity to burn more calories.
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Physical activity
The American Heart Association (AHA) recommends at least 150 minutes of moderate-intensity aerobic activity or 75 minutes of vigorous-intensity aerobic activity per week for adults. This activity can be spread throughout the week and can be combined with short bursts of activity incorporated into daily routines, such as taking the stairs instead of the elevator. Ideally, adults should also engage in muscle-strengthening activities at least twice a week.
The Mediterranean diet, which is associated with reduced cardiovascular mortality, includes physical activity as one of its key components. This diet encourages a healthy balance of physical activity, sleep, nicotine exposure, BMI, blood lipids, blood glucose, and blood pressure. The Dietary Approaches to Stop Hypertension (DASH) eating plan, which is associated with a reduced risk of coronary artery disease, is another example of a cardiovascular health programme that incorporates physical activity.
Overall, any increase in physical activity, regardless of intensity or duration, is associated with reduced cardiovascular risk.
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Restaurant meals
While cooking at home is generally recommended for maintaining a heart-healthy diet, it is still possible to make healthy choices when eating out at restaurants. The cardiac diet, also known as a heart-healthy diet, involves eating foods that promote cardiovascular health, such as vegetables, fruits, whole grains, lean proteins, and oily fish like salmon and tuna. It also entails limiting processed foods, refined carbs, and foods high in sugar, salt, and unhealthy fats.
When dining out, it is advisable to avoid fried foods and opt for grilled, baked, or steamed options instead. Many restaurants label menu items as low-calorie, low-sodium, "healthy," or "light," which can guide your choices. Aim for dietary choices that align with the cardiac diet principles. For example, choose grilled chicken or fish with a side of vegetables or salad instead of deep-fried options or dishes loaded with cheese or creamy sauces.
Additionally, consider limiting your alcohol intake when dining out, as alcohol can contribute to cardiovascular risks. If you do choose to drink, opt for lower-calorie and heart-healthy options such as red wine in moderation, as excessive alcohol consumption can increase the risk of heart-related issues.
Portion sizes are also essential when dining out. Cardiologist Dr. Matthew DeVane notes that "even when we're eating the right foods, we just eat too much." He suggests checking food labels for portion sizes and opting for healthy snacks like nuts or edamame, which can help curb your appetite before the meal.
While it may be challenging to find heart-healthy options at restaurants, some establishments offer meals specifically designed for cardiac health. These meals typically emphasize lean proteins, vegetables, and healthy cooking methods. When in doubt, opt for simpler dishes with minimal processing and ask for dressings, sauces, or high-fat toppings on the side so you can control the amount added to your meal.
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Frequently asked questions
The cardiologist diet, also known as the cardiac diet, is a heart-healthy eating plan that involves consuming foods that promote cardiovascular health, such as vegetables, fruits, whole grains, lean poultry, and oily fish rich in omega-3 fatty acids. It also entails limiting processed foods that are high in sugar, salt, and unhealthy fats, as these can increase the risk of heart disease.
The cardiologist diet is considered safe and beneficial for individuals seeking to improve their heart health and reduce the risk of cardiovascular disease. It is not a restrictive diet but rather a set of guidelines to make healthier choices. However, it is always recommended to consult with a healthcare professional or a registered dietitian before starting any new diet, especially if you have underlying health conditions.
The cardiologist diet emphasizes the consumption of heart-healthy foods, including:
- Vegetables and fruits, either fresh, frozen, or canned without added salt or sugar.
- Whole grains such as whole wheat, whole grain, or whole oats.
- Lean proteins like skinless chicken, turkey breast, or seafood rich in omega-3 fatty acids (e.g., salmon, tuna, mackerel).
- Low-fat or fat-free dairy products, such as non-fat Greek yogurt.
- Healthy fats like olive oil and nuts.
