Food is any material eaten to provide nutrition to an organism. In modern parlance food is generally of animal, plant or fungi origin, and has nutrients, including vitamins, proteins, carbohydrates, or minerals attached to it in some form. The major components of food are fat, protein, mineral content and water. The first five are the only ingredients by which food can be prepared. The other components of food are easily combined with these to produce various food types. The major food groups include vegetables, fruits, legumes, grains, and protein sources like eggs and meat.
Each of these food groups provides an array of nutrients necessary for the human body to survive. These are the basis of modern nutrition, and one food type alone is not sufficient to meet the nutritional needs of an average human being. In order for us to become healthy, we need to eat more than two food groups per day. Even then, each individual can only ingest so much of any given food type because some nutrients are required by other parts of the body and cannot be absorbed through the digestive tract.
The types of food to avoid include those high in fat and sugar as well as those with yeast, starch, and mucus like qualities. Unprocessed vegetables and fruits, particularly those with high sugar content are an important part of a good nutrition diet. Whole grain breads and cereals are also good options as they contain fiber that can help to reduce bad cholesterol levels. Good nutrition should include more variety in the food one eats rather than the same old food every day. Try incorporating a new vegetable or fruit into your diet every few days to see if you can tolerate it before you completely give up eating it.