Our bodies require a great number of different nutrients to keep us healthy. The simplest way to insure that we meet the body's needs is to make sure that we eat a variety of different foods. Taking supplement pills cannot always take the place of obtaining out nutrients from food. Nutrients that are introduced artificially in pill form are not as efficiently absorbed by the body, and pills sometimes contain too much of some vitamins or minerals that can be toxic to the body.
In 1991, The National Cancer Institute introduced the "5A Day for Better Health" program,which focuses in increasing public awareness of the need for a diet richer in fruits and vegetables as a way to avoid cancer. An important benefit of a diet high in fruits and vegetables is that these goods are nutrient dense and not calorie dense.
One simple way to ensure variety is to eat food in different colors. The latest food-guide pyramid designed by USDA breaks down fruits and vegetables into color categories to introduce us to use of colors in making food choices. Yellow and orange vegetables contain different vitamins and minerals than red or green ones. The simple tomato packs a nutritional punch and has even been shown to lower "bad" cholesterol in the blood. Carrots have been found to be associated with lower likelihood of dying from heart disease. You never know what new health benefits can be found in your next salad!
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