The relevance of nutrition in health Essay

889 Words Mar 17th, 2014 4 Pages
“Optimum nutrition is needed for optimum health”
Nutrition can be described as the science of consuming and utilizing foods in a natural medicinal way so as to provide the human body with optimum health by taking care of the body’s dietary needs. Nutritional science studies how the human body catabolizes and anabolizes certain groups of foods to see how they affect the repair and creation of new and old cells. Good nutrition and a healthy lifestyle, combined with regular physical activity, are essential to good health and wellbeing. Poor diet and lifestyle choices can lead to an increased susceptibility to disease, reduced immunity and impaired physical and mental development (World Health Organization 2009).

The role nutrition
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Use of diet versus supplementation
Vitamins are organic compounds our bodies require, in small amounts, for a variety of metabolic processes and functions. Although supplementation can be beneficial for some such as the elderly, pregnant women, women who are breastfeeding and some vegan and vegetarians, research indicates that vitamins are better absorbed from a varied diet and are more beneficial for you than those contained in supplement pills. The exception to this is folate. The synthetic form, titled folic acid, is better absorbed by the body than that of the folate found in regular food sources. Even though vitamin supplements are synthesized to the exact chemical composition of naturally occurring vitamins and minerals, the rest don’t seem to work as well. The explanation for this is that food is a complex source of minerals, vitamins and phytochemicals which all work together to help the body in its metabolic processes whereas supplements tend to work alone in isolation with just the ‘active ingredient’. Research has validated belief that vitamin supplements do not provide the benefits of, and should not substitute, a varied diet of healthy unprocessed foods (Better Health Channel Deakin University Australia 2013).

Conclusion
In order to correct the devastating

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