NUTRITION AND HEALTH.

Nutrition and health



Nutrition and Health

Importance of Nutrition

Everyone knows that food is necessary for normal functioning of the body. During whole life, the human body is made continuously exchange matter and energy. The source of the body needs building materials and energy are the nutrients coming from the environment mainly from food. If the food does not enter into the body, the person feels hungry. But hunger, unfortunately, do not tell you what nutrients and how many are needed to man. We often use the food that is tasty, that can be cooked quickly and not think about the value and good quality used products.

Doctors say that a complete nutrition is an essential condition for maintaining health and high working adults and for children and even a necessary condition for growth and development. For normal growth, development and life-support body needs proteins, fats, carbohydrates, vitamins and minerals in the right quantity to him (Wang & Dietz, 2002). Poor nutrition is a major cause of cardiovascular diseases, digestive diseases, diseases associated with metabolic disorders. Regular overeating, consumption of excessive amounts of carbohydrates and fats are the cause of metabolic diseases such as obesity and diabetes. They cause damage the cardiovascular, respiratory, digestive and other systems, sharply lower work capacity and resistance to disease that reduces life expectancy by an average of 8-10 years. Balanced diet is the most important prerequisite not only to prevent metabolic diseases, and many others (Rolls, 2003).

Food factor plays an important role not only in preventing but also in the treatment of many diseases. Specially organized food, so-called health food is a prerequisite of treatment of many diseases, including metabolic and gastrointestinal.

Medicinal substances of synthetic origin, in contrast to the nutrients for the body are alien. Many of them can cause adverse reactions such as allergies, so patients should be preferred food factors. In the products of many biologically active substances are found in equal, and sometimes in higher concentrations than used in medicines. That is why since ancient times, many foods, especially vegetables, fruits, seeds, herbs, used in the treatment of various diseases.

Many foods have a bactericidal effect by inhibiting the growth and development of various microorganisms. For example, apple juice inhibits growth of staff, pomegranate juice inhibits the growth of Salmonella, and cranberry juice is active against various intestinal, putrefactive and other micro-organisms. Everyone knows the antimicrobial properties of onion, garlic and other products. Unfortunately, this entire rich therapeutic arsenal is not often used in practice.

Balanced diet calls for in the preparation of the daily diet to consider, on the one hand, the body's need for essential nutrients and energy, on the other - the content of these substances and their energy value. Thoroughly wash, heat-treat foods (Narayan, Boyle, Thompson, Sorenson & Williamson, 2003). All this is done to the human body were not the biological pollutants - pathogens and parasitic organism. There was also a new concept - eco-friendly products.

Obviously, each of us had to buy in the stores are large, ...