What are the basic concept of diet therapy?

d Introduction to diet t

DIET THERAPY

Introduction;

The entropy is a concerned with the modification of the normal diet to meet the

requirements of the sick individual. its proposes are:

To maintain good nutritional status the energy requirement of patients with diseases are usually similar less than those of healthy subjects. Basal hypermetabolism of diseases often more than offset by decreased physical activities.

To correct deficiencies

To afford rest to the whole body of the part that is affected.

To maintain body's ability to metabolise the nutrients.

To bring about change in body weight whenever necessary.

Diet therapy in most instances is not a remedy in itself but is a measurement which supplement or make the medical or surgical treatment more effective.

*It emphasizes the similarity of psychological and social need of those who are ill and those who are well, even thought there is a quantitative and qualitative differences in requirements.

* Food preparation is simplified when the modified diet is a based form the family patterns and the number of items required is special preparation is reduced to a minimum.

*The calculated values for the basic plane are useful in finding out the effect of addition or omissions of certain foods, for example, if vegetables are restricted , vitamin A and C deficiency can occur.

Die teaser used as a therapeutic propose not only because of the presence of nutrients but food also contains chemical substances which act as antioxidant detoxifying agents or blocking suppressing agents or help inexcerting toxic substances or maintain proper intestinal flora. In planning diets these factors also should be kept in mind.

FUNCTIONAL foods

A functional food is any food that has a positive effect on a person's health of physical performance or state of mind. Food act as antioxidant detoxifying agents for blocking or suppressing agents.

Food rich in fiber helps in excreting and harmful substances probiotics help in maintaining intestinal bacterial balance food not the nutrient plays an important role in the prevention of diseases and promoting health.

Antioxidants

The normal functioning of cell is dependent on a proper balance of prooxidant and antioxidants.

The farmer promote the the release of oxygen to provide the energy needed for cell functioning . Antioxidant help to neutralize and contract the the deleterious free radical but the natural mechanism may prove to be inadequate specially in for environments,

in addition radical, s generated as part of the natural metabolic process, the body also has to deal radical species drive from such environmental contaminants smoke, carcinogenic derived from food additives and industrial effluent radiation.