Effects of Nutrient Defficiency

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Introduction
Food is essential to the body, it requires energy for complex processes such as respiration, blood circulation, digestion, excretion of products and all essential to the maintenance of life. Nutrients can be acquired in an array of ways, such as eating an intricate diet to taking vitamin supplements (Blake, 2012). We receive energy from nutrients in the form of calories (Kcal). However, Energy demand varies on a man's age, size and metabolic rate. If a man consumes less calories than obliged, the body uses fats to provide itself with energy . A nutritional deficiency arises when there is a lack of absorption of essential nutrients into the body, consequentially the leading to a range of health problems to major systems, such as the digestive system and the endocrine system (Blake, 2012). The occurrence of nutritional deficiencies in early infancy withholds natural growth and maturation, leading to a recession in the cell number and intellectual capacity of the brain(Jose and Stutman et al., 1973). However this essay will delve into the long and short term effects of the different nutritional deficiencies on the physiology, health and performance of man.
Types of nutrient deficiency
There are different types of nutrient deficiencies which effect the physiology, health and performance of man in the short and long term. Carbohydrates is one of the main foundation of energy for the brain. Carbohydrates are gained from breads, sugars and vegetables. A man
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