Milly Gaines
Eating a balanced diet is an essential part of maintaining good health and can help you feel your best. A balanced diet provides the body with the nutrients it needs to function correctly and stay healthy. It includes a variety of foods from different groups, such as fruits, vegetables, protein, grains, and dairy. The specific needs of an individual may vary depending on age, gender, lifestyle, and physical activity level, but a balanced diet generally involves consuming the right amount of calories, nutrients, and fluids to achieve and maintain a healthy body weight.
| Characteristics | Values |
|---|---|
| Calories | The number of calories needed depends on age, sex, and physical activity level. On average, men need 2,500 calories, and women need 2,000 calories per day. |
| Nutrients | A balanced diet should include fruits, vegetables, protein, grains, and dairy. |
| Fats | Fat is essential for energy and cell health, but it should be consumed in moderation. Unsaturated fats are recommended over saturated fats, and trans fats should be avoided. |
| Sugar | Excess sugar can increase the risk of tooth decay, obesity, and other health issues. |
| Salt | High salt intake can increase blood pressure and the risk of heart disease and stroke. |
| Portion Control | Eating smaller portions can help maintain a balanced diet. Choosing foods with high water or air content can increase volume and satiety. |
| Fluids | It is recommended to drink 6-8 glasses of fluid per day, in addition to the fluids obtained from food. |
| Individual Variation | A balanced diet may vary based on individual characteristics, such as age, gender, lifestyle, and cultural context. |
| Weight Management | A balanced diet helps maintain a healthy weight by providing the right amount of calories and nutrients for the body. |
| Food Sources | Opt for nutrient-dense whole foods that provide the most nutrition per calorie. Limit "empty calories" from foods that are high in calories but low in nutritional value. |
| Health Benefits | A balanced diet provides the body with the nutrients needed to function correctly, improves mood, and reduces the risk of various diseases and health conditions. |
| Lifestyle Factors | Dietary practices are influenced by social and economic factors, individual preferences, cultural traditions, and geographical aspects. |
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What You'll Learn
Nutrients, minerals and vitamins
Nutrients, minerals, and vitamins are essential for a healthy, balanced diet. They provide the body with the fuel it needs to function correctly and stay healthy.
Nutrients
A balanced diet includes nutrients from a variety of food groups. These include fruits, vegetables, protein, grains, and dairy. It is recommended to eat at least five portions of fruits and vegetables every day. Fruits and vegetables can be fresh, frozen, or canned in water. Whole fruits are recommended over fruit juices, as juices often contain added sugar and fewer nutrients. Vegetables should be chosen from each of the five subgroups: legumes, dark green, red and orange, starchy, and other. Legumes include beans, peas, and lentils, while dark green vegetables include broccoli, spinach, and kale. Red and orange vegetables include tomatoes, carrots, and sweet potatoes. Starchy vegetables include potatoes and corn, and other vegetables include cauliflower, cabbage, and mushrooms.
Protein is essential for the body to grow and repair itself. Good sources of protein include meat, fish, eggs, beans, nuts, legumes, and dairy products such as cheese and yogurt. For dairy alternatives, choose calcium-fortified options. Grains are an important source of carbohydrates and fiber, with starchy grains such as potatoes, bread, rice, pasta, and cereals forming a significant part of a balanced diet. Whole grains, such as whole wheat pasta and brown rice, are recommended over refined grains as they contain more fiber and protein and have less impact on blood sugar levels.
Minerals and Vitamins
Minerals and vitamins are essential for the body's overall health and well-being. Calcium, for example, helps to keep bones healthy and strong and can be found in dairy products. Meat is a good source of iron, zinc, and B vitamins, including vitamin B12. Vitamins can also be obtained from vegetables, with dark green vegetables being a good source of vitamin A and red and orange vegetables containing vitamin C.
In addition to the above, it is important to stay hydrated by drinking plenty of fluids. Water is the healthiest option, but low-fat milk and lower-sugar drinks, such as tea and coffee, are also good choices.
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Calories and energy
Calories are a measure of the energy that foods supply. The number of calories you need depends on your sex, age, and physical activity level. The average person needs about 2,000 calories every day to maintain their weight, but this varies depending on their age, sex, and physical activity level. For example, males and people who exercise tend to need more calories. Caloric needs also decline as you move through adulthood.
The number of calories in a food refers to the amount of energy stored in that food. Your body uses these calories for walking, thinking, breathing, and other important functions. A balanced diet gives your body the nutrients it needs while staying within the recommended daily calorie intake. This means eating a wide variety of foods in the right proportions, including fruits, vegetables, protein, grains, and dairy.
It's important to note that not all calories is equal in terms of the nutritional value they provide. Foods that provide mainly calories and very little nutrition are known as "empty calories." These include deep-fried foods, which are often high in calories but low in nutritional value, and should be eaten sparingly. Similarly, fruit juice tends to contain fewer nutrients and more added sugars, resulting in higher calorie counts than whole fruits.
To avoid empty calories, limit your intake of foods considered nutrient-poor, such as those high in salt, sugar, or alcohol. Instead, opt for nutrient-dense whole foods that provide the most nutritional value for the number of calories created. This ensures your body processes high-quality components and fuels you for the long term.
Finally, it's essential to consider portion control as it relates to calories and energy. Researchers have found that the more food you're served, the more you're likely to eat. Increasing the bulk of your meals with foods high in water or air can help you feel full on fewer calories. Examples include broth-based soups, stews, hot cereals, and cooked grains. Fiber can also help satisfy hunger and reduce appetite, allowing you to feel full on fewer calories.
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Fats and sugars
Fats
Fat is an essential part of a healthy, balanced diet, providing energy and supporting cell health. The body cannot produce essential fatty acids on its own, so it relies on dietary sources of fat to obtain them. Fat also helps the body absorb fat-soluble vitamins, such as vitamins A, D, and E.
There are two main types of dietary fats: saturated and unsaturated. Saturated fats, found primarily in animal products and some plant foods, have long been considered unhealthy due to their association with increased cholesterol levels and the risk of heart disease. However, recent research suggests that a small amount of saturated fat—about 10% or less of calories—is acceptable, and that partially replacing it with unsaturated fats is beneficial for heart health. Monounsaturated fats, found in avocados, nuts, seeds, and plant oils, help protect the heart by lowering "bad" LDL cholesterol while raising "good" HDL cholesterol levels. Polyunsaturated fats, including omega-3 and omega-6 fatty acids, are also beneficial for heart health and can be found in plant-based oils, walnuts, flaxseeds, sunflower seeds, and fatty fish like salmon.
While fat is necessary for a balanced diet, it is important to monitor overall fat intake. Excessive fat consumption, especially saturated fats, can lead to weight gain and increase the risk of cardiovascular disease and other health issues.
Sugars
Sugar is often associated with unhealthy eating, but it can be a part of a balanced diet when consumed in moderation. Sugars are carbohydrates that provide the body with energy, especially glucose, which is the preferred fuel source for the brain, organs, and muscles.
Added sugars can make nutritious foods more palatable, encouraging the consumption of healthy foods. The U.S. government's Dietary Guidelines for Americans recommend that up to 10% of calories can come from added sugars. However, excessive sugar intake can lead to tooth decay, weight gain, and an increased risk of health problems such as heart disease and type 2 diabetes.
To maintain a balanced diet, it is recommended to limit free sugars, found in sugary drinks, squashes, and even unsweetened fruit juices. Instead, focus on getting sugars from whole fruits and starchy foods, which provide additional nutrients and fiber. Practicing portion control and ensuring that your diet is centered around nutrient-rich foods can help you include an appropriate amount of sugar in your diet.
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Weight management
Calories
The number of calories you need each day depends on your age, sex, and physical activity level. On average, a person needs about 2,000 calories per day to maintain their weight, but this can range from 1,600 to 3,000. To lose weight, you need to consume fewer calories than you burn. This can be achieved through a combination of diet and exercise.
Macronutrients
A balanced diet includes a variety of macronutrients: carbohydrates, proteins, and fats. Carbohydrates should make up a third of your diet and include whole grains, fruits, and starchy vegetables. Lean proteins, including meat, fish, eggs, beans, and nuts, are essential for muscle growth and repair. Finally, fats are necessary for energy and cell health, but they should be consumed in moderation, with a focus on unsaturated fats like olive oil.
Micronutrients
Vitamins and minerals are also crucial for overall health and can be obtained from a balanced diet. For example, dairy products provide calcium for bone health, while meat supplies iron, zinc, and B vitamins.
Exercise
In addition to a balanced diet, regular exercise is vital for weight management. Aim for at least 30 minutes of walking per day, and incorporate other activities you enjoy, such as running, cycling, or swimming. If you can, include moderate exercise like cardio and resistance training to speed up weight loss.
Lifestyle Changes
Maintaining a healthy weight is a long-term commitment. It's important to make permanent shifts towards healthier eating habits and lifestyle choices. Choose natural, unprocessed foods and avoid "empty calories" from sugary and fatty snacks. Stay hydrated by drinking enough water, and limit sugary drinks.
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Food groups
A balanced diet is one that provides all of the nutrients a person needs without exceeding the recommended daily calorie intake. The number of calories a person needs depends on their age, sex, and physical activity level. For example, males and people who exercise generally need more calories than females and inactive people.
There are five food groups that comprise a balanced diet: fruits, vegetables, protein, grains, and dairy.
Fruits
Nutrition experts recommend eating whole fruits instead of drinking fruit juice, as juice contains fewer nutrients and often includes added sugar. People should opt for fresh, frozen, or canned fruits in water instead of syrup. When choosing juices, it is best to opt for 100% fruit juices.
Vegetables
Vegetables should make up half of a person's plate. It is important to eat a variety of vegetables, aiming for different colours. Potatoes, sweet potatoes, cassava, and other starchy roots are not considered part of this group due to their negative impact on blood sugar.
Grains
Whole grains, such as unprocessed maize, millet, oats, wheat, and brown rice, are recommended over refined grains as they contain more fibre and protein and have less of an impact on blood sugar. Examples of meals containing whole grains include whole wheat pasta, brown rice, and barley.
Protein
Protein foods include meat, eggs, fish, beans, nuts, and legumes. People who follow a vegan diet will focus on plant-based sources of protein, such as tofu and beans. Dairy foods, such as milk, cheese, and yoghurt, are also good sources of protein and calcium, which is essential for bone health. It is recommended to choose lower-fat and lower-sugar dairy products and lean cuts of meat when possible.
Dairy
In addition to providing protein and calcium, dairy is included as a separate food group because of the unique combination of nutrients it offers. Dairy alternatives, such as calcium-fortified soya drinks, can also be included in this group.
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Frequently asked questions
A balanced diet is one that gives your body all the nutrients it needs to function correctly. It includes a variety of foods from different food groups, consumed in the right proportions.
The food groups are fruits, vegetables, protein, grains, and dairy.
The United States Department of Agriculture (USDA) recommends that half of your plate should consist of fruits and vegetables, and the other half should be made up of grains and protein. Each meal should be accompanied by a serving of low-fat dairy or another source of the nutrients found in dairy.
Fruits include fresh, frozen, or canned fruits, while vegetables include legumes, nuts, and whole grains such as brown rice, wheat, and oats. Dairy includes milk, cheese, and yoghurt, while protein foods include meat, eggs, fish, beans, and nuts. Grains include starchy carbohydrates such as potatoes, bread, rice, pasta, and cereals.
The number of calories you need depends on your age, sex, and physical activity level. On average, men require around 2,500 calories per day, while women need about 2,000 calories. However, this can vary depending on your individual characteristics and lifestyle.
