What roles do nutritional deficiency and nutritional excess play in disease?

Nutrition is the central component in health promotion as nutrition is needed for our body to grow, develop and maintain the normal functioning of the body.It is an essential aspect of living a balanced lifestyle. Food is readily available in most of  Western society, and it is frequently highly refined and high in calories, fat, and sugar These foods are also less costly than healthier alternatives, making nutritious choices more difficult to come by for low-income families and individuals.Food plays an important role in everyday social life, often taking center stage at parties, meetings, and other activities.(Grand Canyon University, 2018 )

The most nutritional challenges for emerging population as people are very busy to take proper diet and nutrition and hence they lack the essential requirements of the daily intake which causes various diseases, obesity etc. Malnutrition has become more common in the United States in recent years. The majority of people believe that eating fast food in fastfood restaurants is less expensive and more convenient. Furthermore, they find it difficult to eat vegetables and fruits because they are costly and time consuming to prepare.The socio-economic factors also have impact on the deficiency diseases because people are unable to avail better food for themselves.(Homeworklib,n.d).

The nutrition deficiency causes malnutrition in which people become weak, and becomes more prone to many of diseases. The excess of nutrition causes toxicity for example, too much of vitamin A causes vitamin toxicity, therefore, nutrition should be maintained at optimum levels to avoid such conditions.

Discuss why nutrition is a central component in health promotion. What are some of the nutritional... (n.d.). Homework Help Online workLib. https://www.homeworklib.com/question/1333777/discu

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