It is called food to any solid or liquid substance that living beings ingest in order to regulate their metabolism and maintain their physiological functions such as body temperature, that is, human beings need food to replenish the living matter that we spend as a consequence of the activity of the organism and because we need to produce new substances that contribute to the development of new tissues that directly help our growth.
But in addition to this strictly physical reason and survival of any species, there is a psychological reason that is also present when it comes to feeding us, since normally food will provide us with a feeling of gratification and satisfaction once it has been completed. It is very common for a person who did not eat for long hours or who did not eat when the body asked him to, observe unpleasant behavior and display a bad mood.
According to the origin they hold, We can classify food into three large groups: vegetable: vegetables, fruits and cereals; animal: meat, milk, eggs and mineral: mineral salts and water.
Each of these foods that we mention provides our body with substances that are essential and vital for its development and functioning..
For example, the carbohydrates found in bread, flour, sugar and pasta that give us energy. For their part, proteins, including dairy products, legumes, eggs and meats, promote growth and tissue formation. Meanwhile, lipids, fats and oils also do their thing to provide us with a good dose of energy every time we eat them.
What matters most to us about all these foods that we mention are the nutrients or food principles that they contain: amino acids, vitamin A, iron, calcium, among others. For example, the starch contained in vegetables, the fat contained in milk, among others.
To achieve a good diet, it is necessary to respect and maintain a balance in our diet, that is, there must be a balanced mix in correct amounts of everything that we mentioned in the previous paragraph.
And finally, the warning. Everyone should know that food deprivation leads to malnutrition, from there to starvation and from this to death there is a very short path. The lack of food for any organism will be devastating for its conservation, subsistence and development. It is proven that a poor diet directly and negatively affects people’s intelligence and emotion. Unfortunately, many parts of the world have hunger entrenched and are proof of all these negative outcomes that we mentioned.
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