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Healthy diet

life science Maturity 11-13 Next article →

A healthy diet is a way of eating that helps your body stay well.

Good Food Display - NCI Visuals Online
Good Food Display - NCI Visuals Online

It provides essential nutrition like water and macronutrients. These include protein, fats, and carbohydrates. You also need micronutrients, which are vitamins and minerals. A good diet gives you enough food energy to work. It also includes fiber to help your body function. Many experts say a healthy diet focuses on plant foods. This includes fruits, vegetables, and whole grains.

Proportion of the population unable to afford a healthy diet (2024)
Proportion of the population unable to afford a healthy diet (2024)

How a healthy diet works is based on four core principles. The Food and Agriculture Organization and the World Health Organization use these rules. First, a diet must be adequate to meet your body's needs. Second, it should be diverse by including many different food groups. Third, it must be balanced with the right amount of energy sources. This helps you grow and prevents disease. Finally, a diet should be moderate. This means eating very little of foods that might hurt your health. You should limit foods with a lot of salt or sugar.

Many groups have shared their ideas about food over the years. In 2015, a committee for the United States Department of Agriculture wrote a report. They looked at how to eat in ways that help the Earth. They suggested three patterns: U.S.-style, Vegetarian, and Mediterranean-style. These patterns use different amounts of meat, dairy, and grains. The American Heart Association also gives advice on eating. They suggest eating many colors of vegetables, like red, green, and orange. They say eating certain foods like garlic or cauliflower can help protect you.

There are many important numbers to know about food and health. The World Health Organization says to eat 400 grams of fruits and vegetables every day. You should keep salt intake below 5 grams each day. This can help lower the risk of heart disease. Sadly, many people struggle to find healthy food. In 2023, about 40% of the world could not afford a healthy diet. In Africa, the number of people who could not afford healthy food rose to over 1 billion by 2024. In low-income countries, this number reached 545 million in 2024.

Learning about food helps you make better choices every day. You can look at nutrition facts labels to see what is inside a snack. These labels help you choose between different foods. You can also think about the types of fats you eat. It is better to eat polyunsaturated fats found in fish and nuts. You should avoid trans fats and limit saturated fats from things like butter. Drinking water is also a great way to stay healthy. Choosing whole foods over highly processed foods is a smart way to live.

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🖼️ Images & Media (7)
File:Good Food Display - NCI Visuals Online.jpg
Good Food Display - NCI Visuals Online.jpg
File:The proportion of the population and number of people unable to afford a healthy diet in the world decreased from 2020 to 2024.svg
The proportion of the population and...
File:Cost of a healthy diet (2024).svg
Cost of a healthy diet (2024).svg
File:Cost of a healthy diet by region.svg
Cost of a healthy diet by region.svg
File:Proportion of the population unable to afford a healthy diet by region.svg
Proportion of the population unable to...
File:Proportion of the population unable to afford a healthy diet (2024).svg
Proportion of the population unable to...
File:Percentage of children aged 6 to 23 months achieving minimum dietary diversity by region.svg
Percentage of children aged 6 to 23...
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