Milly Gaines
Heart disease is the number one cause of death in Australia, with 10% of all deaths in 2021 resulting from coronary heart disease and 25% from cardiovascular disease. A healthy diet and lifestyle are key to preventing and managing cardiovascular disease. The cardiac diet is an unofficial term for a heart-healthy diet, which emphasizes foods that promote heart health, such as fruits, vegetables, whole grains, lean poultry, and oily fish like salmon and tuna, which are high in omega-3 fatty acids. This diet also limits processed foods that are high in sugar, salt, and unhealthy fats, as these increase the risk of heart disease.
| Characteristics | Values |
|---|---|
| Fruits and Vegetables | Blueberries, spinach, dried, fresh, frozen, or low sodium canned fruits and veggies |
| Whole Grains | Quick oats, quinoa, brown rice, wholemeal pasta, grainy bread |
| Lean Poultry | |
| Oily Fish | Salmon, tuna |
| Alcohol | No more than 2 standard drinks on any one day |
| Salt | Reduce intake, avoid packaged and processed foods |
| Sugar | Avoid chemically-based sweeteners and processed white sugar |
| Fats | Replace saturated and trans fats with unsaturated fats like olive, avocado, sunflower, canola, safflower, peanut, soybean, sesame oils |
| Physical Activity | At least 150 minutes of moderate physical activity or 75 minutes of vigorous physical activity each week |
| Smoking | Avoid |
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What You'll Learn
Eat more fruits and vegetables
Eating more fruits and vegetables is a cornerstone of a heart-healthy diet. This is because they are loaded with nutrients that can help lower cholesterol and blood pressure, which are good for your heart health.
Fruits are packed with fibre and are a rich source of potassium. Both higher potassium and fibre intake help prevent hypertension and are associated with lower blood pressure among those with hypertension. For example, bananas are a heart-healthy fruit that contains vitamins B6 and C, as well as fibre, potassium, and magnesium—all of which are key nutrients that may help keep blood pressure in check. Similarly, apples are a good way to add fibre and flavonoids to your diet, and studies have found that people who regularly eat apples are less likely to develop high blood pressure. Berries, such as blueberries, blackberries, raspberries, and strawberries, are also loaded with vitamin C and fibre. Eating a high-fibre diet can help lower cholesterol and your risk of heart disease.
Vegetables are also a great source of vitamin K, which helps protect your arteries and promote proper blood clotting. Leafy green vegetables, in particular, are high in vitamin K and nitrates, which can help reduce blood pressure and improve arterial function. A higher intake of leafy greens is associated with a lower risk of heart disease.
Overall, eating more fruits and vegetables is a great way to improve your heart health and reduce your risk of heart disease.
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Consume whole grains
Consuming whole grains is an essential component of a heart-healthy diet. Whole grains are high in resistant carbohydrates, fiber, nutrients, and bound antioxidants, all of which contribute to improved cardiovascular health.
When it comes to heart health, it is crucial to distinguish between whole grains and refined grains. Whole grains, such as oats, barley, and whole wheat, retain their original nutritional value, whereas refined grains have been processed to remove the bran and germ, resulting in a loss of fiber and essential nutrients. By choosing whole grains over refined grains, you benefit from their ability to lower serum low-density lipoprotein (LDL) cholesterol, a key contributor to heart disease.
In addition to their cholesterol-lowering properties, whole grains are a rich source of fiber. A high-fiber diet has been linked to improved cardiovascular health, as it can help maintain healthy blood pressure and enhance glucose and insulin responses. This is particularly relevant for individuals with diabetes or prediabetes, as whole grains can aid in regulating blood sugar levels.
When incorporating whole grains into your diet, variety is essential. Different whole grains offer distinct nutritional profiles, each contributing to heart health in their own way. For example, oats and barley stand out for their high content of viscous fiber, while whole wheat provides a good balance of fiber and B vitamins. Quinoa, a gluten-free option, is another heart-healthy choice, offering a complete protein source along with essential amino acids.
To maximize the benefits of whole grains, aim for a variety of whole grain foods in your diet. Opt for whole grain bread, brown rice, quinoa, barley, and oats. These simple swaps for refined grain products can make a significant difference in your heart health. Additionally, be mindful of portion sizes, as whole grains are calorie-dense. A registered dietitian can provide personalized guidance on incorporating whole grains into your diet in a way that aligns with your overall health goals.
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Reduce salt and sugar intake
A healthy diet and lifestyle can significantly reduce the risk of heart disease. While sodium is a necessary nutrient for the body, it is important to keep intake within the recommended range to maintain healthy blood pressure. The recommended amount of sodium is 2,300 mg a day, but 90% of people consume more than this. Reducing salt intake by even a small amount can lower your cardiovascular risk. According to studies, a diet rich in fruits and vegetables is associated with a reduced risk of heart disease.
To reduce salt intake, it is recommended to limit restaurant meals and processed foods, which are the top sources of salt in the diet. Instead, opt for preparing and cooking fresh food at home, where you can control the amount of salt added. Buying "unsalted" or "low-sodium" versions of pantry staples is also a good option. Additionally, using alternative seasonings like turmeric and oregano can enhance the flavour of your food without adding extra salt.
Sugar is also a major concern in the diet, as it is linked to an increased risk of type 2 diabetes, coronary heart disease, and weight gain. Sugar-sweetened drinks and processed snacks are the main sources of added sugars in the diet. To reduce sugar intake, it is recommended to replace sugary drinks with water flavoured with fresh fruit or herbs, and choose whole foods like nuts and fruits instead of processed snacks. Limiting dessert to one meal a day can also help reduce sugar intake.
It is important to note that simply advising individuals to reduce their salt and sugar intake may not be effective due to various barriers, such as apathy, dietary conservatism, and lack of knowledge. Working with a medical professional, such as a dietitian, can be helpful in understanding your eating habits and developing a plan to reduce salt and sugar intake.
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Limit alcohol consumption
Alcohol consumption is a contributing factor to heart disease. The risk of atrial fibrillation and stroke increases with higher alcohol intake. As such, limiting alcohol consumption is an important step in maintaining a healthy heart.
The American Heart Association recommends no more than two standard drinks per day. This is because high alcohol intake increases blood pressure and can increase triglycerides in the blood. Triglycerides are a type of fat that travels through the bloodstream. Excessive alcohol consumption can lead to high levels of triglycerides, which can, in turn, lead to heart disease.
It is important to note that the source of these drinks can also impact heart health. For example, sugary mixers or cocktails can contribute to weight gain and increased blood sugar, both of which are risk factors for heart disease. Therefore, it is advisable to opt for low-calorie mixers or drinks when consuming alcohol.
Additionally, alcohol can also affect heart health by disrupting healthy lifestyle patterns. Excessive alcohol consumption can lead to poor dietary choices, decreased physical activity, and disrupted sleep patterns, all of which can negatively impact heart health. Thus, limiting alcohol intake can help maintain a healthy lifestyle and lower the risk of heart disease.
Overall, while moderate alcohol consumption is generally considered acceptable, exceeding the recommended limit can have detrimental effects on heart health. It is important to prioritize a healthy lifestyle and make conscious choices to maintain a healthy heart and lower the risk of heart-related issues in the long term.
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Exercise regularly
While diet is an important factor in maintaining heart health, regular exercise is also crucial. The American Heart Association recommends at least 150 minutes of moderate physical activity or 75 minutes of vigorous activity per week, or a combination of the two. Ideally, this activity should be spread throughout the week.
Engaging in regular physical activity can help you maintain a healthy weight, which is beneficial for your heart. Being overweight or obese can increase your risk of heart disease, as it can lead to high blood pressure and cholesterol, which are risk factors for heart problems. Additionally, exercise helps to improve your blood circulation, strengthen your heart muscle, and increase your heart's efficiency in pumping oxygen and nutrients to your body while removing waste products.
To incorporate more physical activity into your routine, consider activities you enjoy or that you can do with others to stay motivated. Walking, jogging, swimming, cycling, and team sports are all excellent forms of exercise that can help improve your heart health. If you're time-constrained, simple activities like taking the stairs instead of the elevator or revving up your household chores can also contribute to your weekly exercise goal.
If you're new to exercising, it's important to start slowly and gradually increase the duration and intensity of your workouts. Consult your healthcare provider if you have any concerns or underlying health conditions. Additionally, remember to listen to your body and give yourself rest days to prevent overexertion and reduce the risk of injury.
Incorporating regular exercise into your lifestyle, along with maintaining a healthy diet, will help you take a proactive approach to maintaining a healthy heart and reducing your risk of cardiovascular issues in the long term.
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Frequently asked questions
A healthy diet and lifestyle are the keys to preventing and managing cardiovascular disease. It involves eating a variety of fruits and vegetables, whole grains, lean poultry, and oily fish like salmon and tuna that are high in omega-3 fatty acids. It is also important to limit the consumption of processed foods that are high in sugar, salt, saturated fats, and unhealthy fats.
Some heart-healthy diets include the DASH (Dietary Approaches to Stop Hypertension) diet, the Mediterranean diet, and many vegetarian diets.
Some foods that are good for heart health include fruits and vegetables, whole grains like quick oats and quinoa, and plant proteins like nuts.
It is recommended to avoid chemically-based sweeteners, processed white sugar, salt, packaged and processed foods, and foods with high fructose corn syrup.
Yes, in addition to diet, it is important to be physically active, maintain a healthy body weight, and avoid smoking to reduce the risk of heart disease.
