The Importance Of Nutrition In Health

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Plants have formed the basis of health care throughout the world since the earliest days of humanity; they are still widely used and of great importance in international trade. The famous Hippocratic quotation “Let thy food be thy medicine and thy medicine be thy food” is now supported by numerous scientific data concerned with the beneficial role of nutrition in health improvement.
On the other hand, a number of “lifestyle diseases”, sometimes also called “diseases of civilization” are closely associated to lifestyle changes especially in food habits due to the tremendous increase of junk food consumption. Nutritional deficiencies in such cases are mainly referred to either generation of undesirable ingredients during food processing or incorporation of harmful food additives.
The close correlation between dietary and other lifestyle factors and specific diseases has been the subject of numerous investigations. In this respect, cardio vascular diseases (CVDs) have attracted special attention due to the continuous exposure of vessel walls to deleterious dietary metabolites. This stimulated the performance of multiple researches to explore the “protective” action of plant-derived food and beverages with the aim to provide safe “nutritional therapies” for prevention and improvement of CVDs.
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The term is assumed, as well, to designate “a food with special health functions but which is not used for therapeutic purposes” (Yuexin Yang, 2008). In all cases, this food is supposed to provide the body with the required amount of vitamins, fats, proteins, carbohydrates etc… needed for its healthy

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