Human Body 's Requirements For Vitamins

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Final draft EXPLORE THE CAUSES AND EFFECTS OF VITEMIN DEFICIENCIES IN HUMANS Word count 1000 What are vitamins? They are organic compounds required by body to help with metabolism, protect health, and for proper growth (Grabowski and Tortora, 2002). They are also used for the formation of hormones, blood, nervous chemicals and genetic material. Knowing the importance of the human body’s requirements for vitamins raises the question of how is it possible that the human body can still be allowed to become deficient of these vital compounds. Causes for these deficiencies vary and will be examined while also looking at how they the long term effects of their absence affect the human body. There are 13 identified vitamins that are classed to whether or not they can be absorbed in ether fat or water. Fat-soluble vitamins A, D, E, and K are generally found within fat containing foods, also as they may be found in the human bodies fat reserves, this means they do not need eaten daily as they may be stored for later use(NHS choice, 2016). Vitamin A is also known as retinol and helps your immune system to function and fight off infections. It also helps your vision in dim light conditions and keeps skin and the linings of the body, such as the nasal passage and throat, fit and healthy. Vitamin D helps to control the levels of calcium and phosphate in the in the human body. In turn help with bone, teeth, growth and development. Vitamin E functions as an antioxidant which protects cell
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