Madeleine Hull
A healthy heart is vital to your overall health. While both diet and exercise are important for optimal heart health, it is generally easier to manage your calorie intake by modifying your diet than it is to burn a significant number of calories through exercise. A heart-healthy diet is centered around minimally processed vegetables, fruits, whole grains, healthy fats, and lean animal and plant-based proteins while being low in sodium. The Mediterranean diet and the DASH diet are two examples of heart-healthy eating plans. Exercise, on the other hand, strengthens your heart, improves its pumping capabilities, lowers blood pressure, and reduces the risk of heart disease. Combining a nutritious diet with regular physical activity is one of the most effective ways to improve and maintain heart health.
| Characteristics | Values |
|---|---|
| Heart health importance | Diet and exercise are both important for heart health. |
| Calorie deficit | Achieving a calorie deficit through diet modifications is key for weight loss, while exercise provides benefits that help sustain results. |
| Heart disease risk reduction | Both diet and exercise can help reduce the risk of heart disease. |
| Muscle building | Both diet and exercise are important for building muscle. |
| Mental health | Diet and exercise can improve mental health. |
| Heart health diet | A heart-healthy diet includes fruits, vegetables, whole grains, healthy fats, lean proteins, and low-fat dairy. |
| Heart-healthy exercises | Aerobic exercise, resistance training, and flexibility workouts are recommended for improving heart health. |
| Exercise frequency | It is recommended to get at least 150 minutes of moderate to vigorous exercise each week. |
| Heart rate | Exercise helps improve heart rate by making the heart stronger and more efficient. |
| Blood pressure | Exercise helps lower blood pressure. |
| Cholesterol | Exercise lowers LDL (bad cholesterol) and raises HDL (good cholesterol). |
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What You'll Learn
Heart-healthy diets
A heart-healthy diet is one that is rich in healthy fats, fibre, and lean protein. It should include minimally processed vegetables, fruits, whole grains, and healthy fats, alongside lean animal and plant-based proteins.
Fruits and vegetables are an essential part of a heart-healthy diet, providing flavour and variety alongside essential vitamins, minerals, and fibre. When it comes to cooking, choose monounsaturated fats like olive oil, safflower, or sesame oil. Avocados are also a good source of monounsaturated fats, and polyunsaturated fats can be found in nuts and seeds.
The Mediterranean diet is often recommended for heart health. It is high in healthy, unsaturated fats from olive oil, fish, and nuts, and dietary fibre from whole grains and vegetables. It also contains limited amounts of saturated fats and added sugars due to its focus on fresh, minimally processed foods. The DASH (Dietary Approaches to Stop Hypertension) diet is another eating plan that lowers blood pressure and bad cholesterol. It involves choosing low-fat dairy and lean meats, and limiting sodium intake.
It is important to note that achieving a calorie deficit through diet modifications is key for weight loss, and this can be combined with exercise for optimal results and improved heart health.
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Exercise and cholesterol
Exercise is an effective way to improve cholesterol levels and heart health. It is recommended to get at least 150 minutes per week of moderate-intensity aerobic exercise, or 75 minutes of vigorous aerobic activity, to maximise heart health.
There are two main types of cholesterol: LDL cholesterol, or low-density lipoprotein, is known as "bad" cholesterol. High levels of LDL cholesterol can be dangerous, increasing the risk of heart attack, stroke and arterial blockages. HDL cholesterol, or high-density lipoprotein, is "good" cholesterol. It helps to protect against heart attacks by carrying fatty deposits out of the arteries.
Regular exercise can lower LDL cholesterol and increase HDL cholesterol. Brisk walking, running, resistance training, swimming, and cycling are all forms of exercise that can help lower LDL cholesterol. A 2019 review linked any amount of running to a 30% lower risk of death due to cardiovascular issues. A 2021 study found that swimming for 16 weeks helped lower lipids, including cholesterol, in people with type 2 diabetes and high blood pressure. Yoga is also beneficial for heart health, although it does not provide cardiovascular benefits unless it increases your heart rate.
The intensity, style, and frequency of exercise matter when it comes to cholesterol. For example, low- to moderate-intensity resistance training helps reduce total cholesterol, while high-intensity workouts are needed to boost HDL cholesterol.
Combining exercise with a healthy diet and lifestyle choices makes the most significant impact on cholesterol levels and heart health.
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Weight loss and heart health
Dietary modifications are key to creating a calorie deficit, which is necessary for weight loss. This can be achieved by reducing the number of calories consumed and increasing calorie expenditure through physical activity. Eating a healthy diet with minimally processed foods, rich in healthy fats, fibre, and lean protein, is linked to better heart health. Examples include fruits, vegetables, whole grains, fish, nuts, seeds, and beans.
Exercise provides numerous benefits for heart health and weight loss. It strengthens the heart muscle, improves circulation, lowers blood pressure, and reduces the risk of heart disease. Additionally, exercise helps raise HDL (good cholesterol) and lower LDL (bad cholesterol). Aerobic exercise and resistance training are particularly effective for improving heart health and promoting weight loss by increasing muscle mass, which burns more calories.
To enhance weight loss and heart health, a combination of diet and exercise is ideal. While dietary changes may be easier to implement for creating a calorie deficit, exercise helps sustain the results and provides additional health benefits. Aiming for at least 150 minutes of moderate to vigorous physical activity per week is recommended, along with incorporating strengthening and stretching exercises.
It is important to note that weight loss and heart health goals should be approached holistically. Maintaining a healthy weight is just one aspect of heart health. Other lifestyle changes, such as quitting smoking, limiting alcohol consumption, managing stress, and getting regular exercise, are also crucial for improving and maintaining heart health. Consulting with a healthcare professional before starting a new diet or exercise program is advised to ensure a safe and effective approach.
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Aerobic exercise
While diet and exercise are both important for maintaining a healthy heart, aerobic exercise is particularly beneficial.
According to Johns Hopkins exercise physiologist Kerry J. Stewart, Ed.D., aerobic exercise, along with resistance training, is one of the most important types of exercise for heart health. It can help improve your baseline metabolic rate and burn calories, contributing to weight loss when combined with a healthy diet. Additionally, aerobic exercise can help lower your risk of heart disease by reducing levels of LDL (bad cholesterol) and increasing HDL (good cholesterol).
To maintain a healthy heart, it is recommended to get at least 150 minutes per week of moderate-intensity aerobic activity, or 75 minutes per week of vigorous aerobic activity, or a combination of both. It is also important to vary the types and intensity of exercises to work different muscle groups and prevent overuse injuries.
In summary, aerobic exercise is a crucial component of maintaining a healthy heart. It improves cardiovascular fitness, lowers blood pressure, reduces the risk of heart disease, and contributes to overall better health and quality of life.
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Resistance training
While diet and exercise are both important for heart health, resistance training is particularly beneficial. Resistance training, also known as weight or strength training, involves working against a force to build muscle strength and endurance. This can be done using free weights, weight machines, resistance bands, or bodyweight exercises such as push-ups and squats.
Research suggests that a combination of aerobic exercise and resistance training may be particularly beneficial for heart health. Aerobic exercise, such as brisk walking, jogging, and cycling, improves circulation and lowers blood pressure and heart rate. When combined with resistance training, it can help raise HDL (good) cholesterol and lower LDL (bad) cholesterol. HDL helps protect against heart attacks by removing fatty deposits from the arteries, while LDL can clog arteries and increase the risk of a heart attack.
To incorporate resistance training into your routine, aim for two strength-boosting sessions per week, lasting about 15 to 20 minutes each. The AHA recommends focusing on eight to ten different exercises to target all major muscle groups. Examples of resistance exercises include working out with free weights, weight machines, resistance bands, or body-resistance exercises. It is important to note that flexibility and balance exercises, such as stretching and yoga, are also crucial. They help maintain musculoskeletal health and enable you to perform aerobic and resistance exercises more effectively.
In conclusion, resistance training is an important component of heart health. By improving cardiovascular risk factors and creating leaner muscle mass, resistance training helps protect against heart-related issues and contributes to overall better health. When combined with aerobic exercise and a healthy diet, resistance training can be a powerful tool for maintaining a strong and healthy heart.
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Frequently asked questions
Exercise makes your heart stronger, helping it pump more blood with each heartbeat, which delivers more oxygen to your body. Exercise can also lower blood pressure and reduce the risk of heart disease and levels of LDL (bad cholesterol).
A healthy diet can help reduce your risk for heart disease and stroke. A heart-healthy diet includes fruits and vegetables, whole grains, healthy fats, and lean animal and plant-based proteins, while being low in sodium.
Both diet and exercise play significant roles in heart health and work hand in hand to optimize health and quality of life. While it is generally easier to manage your calorie intake by modifying your diet, exercise provides many benefits that help sustain your results.
The American Heart Association recommends at least 150 minutes per week of moderate-intensity aerobic activity or 75 minutes per week of vigorous aerobic activity, or a combination of both. For diet, it is recommended to eat minimally processed foods that are rich in healthy fats, fiber, and lean protein.
