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Hi, in this answer we are going to list out the principles of a healthy diet and we are also going to see why these principles are important.
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Principles of healthy diet includes including a variety of foods in a meal because variety of foods leads to different variety of nutrients because each food is rich in one specific nutrient.
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So if you eat a variety of food you will get as much as nutrients possible.
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The second principle is include lots of fruits and vegetables.
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That is you should include five portions of fruits and vegetables which is equal to 400 grams.
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So including lots of fruits and vegetables gives more amount of vitamins and minerals.
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Which are micronutrients and it also contains a lot of fiber.
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So the third principle is including whole grains, nuts, healthy fats such as the unsaturated fatty acid.
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So the whole grains are complex carbohydrates which will be filling because it is digesting very slowly and it has a lot of fiber.
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The unsaturated fatty acid is very healthy because it reduces the risk of cardiovascular diseases, diabetes, etc.
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It prevents clogging of arteries.
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The next principle is limiting the consumption of unhealthy fat.
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Unhealthy fat is the saturated fat which increases the risks of cardiovascular disease, stroke, etc...