What role does nutrition play in promoting health and disease?



            Nutrition plays a crucial role in promoting health and disease prevention, and poor nutrition may accelerate the disease process. The body often requires necessary nutrients to function appropriately and remain healthy; that is why eating right is a significant component of staying healthy and maintaining strong immunity. When one eats and maintains a proper diet. they are less likely to suffer from cardiovascular diseases and other health problems associated with food.

For instance, a person who too much of McDonald’s and other fast foods more often will be at a higher risk of having cardiovascular disease compared to a person who is keen on their diet. Additionally, an individual who consumes too much sugar is likely to develop diabetes, which is a risk factor for many other health problems. Proper nutrition comprises of consuming and maintaining a well-balanced diet, which includes meals containing all components of food classes in the right amount and avoiding as much as possible processed food, inorganic, genetically modified foods helps individuals maintain healthy body weight and provide them with the proper immunity against infection-causing organisms. In this way, such individuals will be able to stave off preventable conditions such as cardiovascular diseases and cancer.

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            Nutrition is crucial to health and disease promotion because it concerns the body’s ability to develop strong immunity that aids in fighting off various diseases and their pathogens while maintaining a healthy body. Currently, obesity and overweight are among the leading health concerns in America, which predisposes individuals to other chronic diseases, and women, men, and children are vastly affected (Rippe & Angelopoulos, 2017). Obesity and overweight are vastly caused by the kind of diet that one maintains and the level of physical activity which leads to unhealthy weights.

The two can lead to type 2 diabetes and other fatal health problems that affect the quality of life and interfere with disease management. Proper nutrition keeps the body healthy and immune to numerous preventable diseases such as obesity and high blood pressure while improving disease management and recovery, thus promoting health while preventing infecting diseases.

            Various studies show the pivotal role that nutrition plays in health promotion and disease promotion. Khodaveisi et al. (2017) point out that obesity is one of the most significant nutritional conditions globally, which is currently prevalent. The study shows that this disease is attributed to lifestyle changes, which include inappropriate nutritional behaviors among other others and major risk factors for many chronic diseases such as hypertension, diabetes, and poor quality of life among men, women, and children. Khodaveisi et al. (2017) further reveal that approximately eighty percent of premature cardiovascular diseases, stroke, diabetes cases, and over forty percent of cancer cases can be prevented by maintaining a healthy diet coupled with regular tolerable physical activity among other lifestyle modifications.

            It upholds health-promotion behaviors such as eating a healthy diet as the primary approach to maintaining health. The study adds that nutrition permits individuals to monitor their health status and is hence significant in promoting both individual and community health. Therefore, Khodaveisi et al. (2017), in their model ‘Pender’s health promotion model,’ show that health nutritional behaviors are more effective than nutritional knowledge; thus, education, awareness, intervention, and efforts about nutrition should make emphasis on behavior as they empower people with knowledge.

            Rippe & Angelopoulos (2017) show that nutrition plays a crucial role in either lessening or increasing the risks of heart-related conditions. They state that cardiovascular diseases are the most significant cause of mortality and morbidity in America and globally and are responsible for over thirty-seven percent of mortality in the United States. Hence, the study proposes that nutrition be regarded as the primary component of positive lifestyle modification such as physical activity, cessation of smoking, among others.

            Rippe & Angelopoulos (2017) also show that nutrition and other positive lifestyles can reduce the risk of developing diabetes by ninety percent in both genders and that of coronary heart disease by nearly eighty percent. Nutrition can reduce the risk of CVD (promoting health) or increase its risk (promoting disease). The study recommends the use of the guidelines promulgated by the American Heart Association as well as the Dietary Guidelines for American for healthy dietary patterns which encourage consumption of a diet high in vegetables, fruits as well as whole grains while limiting inorganic foods, processed foods, and beverages among others.

            Tonetti et al. (2017), while studying the impact that the global burden of periodontal diseases has on nutrition health and wellness, acknowledges the pivotal role of nutrition in health promotion and disease promotion. They begin by confirming that severe periodontitis is ranked sixth among the prevalent disease globally, with a prevalence rate of over 11.2% affecting over seventy million people and with a global burden of about 57.3%. The study confirms that poor nutrition and obesity, among other factors such as smoking, play a crucial role in increasing the risk of periodontitis. Periodontitis causes tooth loss, which leaves individuals at masticatory dysfunction, numerous tooth loss, and even edentulism that influence their nutrition and quality of life.

Tonetti et al. (2017) attribute a lack of adequate nutrition to numerous complications, including the risk of chronic disease due to a lack of a proper immune system to stave off these preventable diseases. Additionally, individuals with masticatory dysfunction consequent to severe periodontitis often change an eating habit. They will consume more fat and carbohydrates with fewer vegetables and fruits, which further predispose them to chronic non-communicable diseases.

            Winham, Florian & Thompson (2016), while studying the health benefits of bean among low-income women in the United States, shows that beans improve the nutritional status of women and reduce their risk of developing chronic disease. The study points that dried beans are high in protein and micronutrients such as folate and magnesium, among others, which was necessary for optimal health. Also, it upholds the health benefits of regular consumption of beans as linked to increased longevity, decreased risk of cardiovascular diseases, and colorectal cancer reoccurrence. Besides, Winham, Florian & Thompson (2016) showed that beans consumption improves blood glucose control among women who had type 2 diabetes.

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            Dr. Nancy Munoz (2020) shows how nutrition helps improve health and prevent disease in her discussion on the importance of nutrition in health promotion. She states that there has been an increase in chronic diet-associated conditions despite the fight against a most infectious disease which has seen the prevalence of basic nutrient deficiency reduces. Dr. Nancy points out that poor eating has led to increased cases of disability and chronic diseases such as high blood pressure and diabetes in the United States and the world at large in the recent past. Poor nutrition still poses a significant health challenge among the population as it is the leading cause of many fatal conditions such as cancer that are experienced worldwide. She adds that healthy nutrition leads to a healthy life, which strengthens one’s immunity to fight infections.

            Selma (2016), in the Journal of Nutrition and Food Science, states that optimum nutrition leads to general wellbeing, thus an improved quality of life among individuals. He adds that the nutrition care process is very crucial in carrying out health promotion and disease prevention campaigns and efforts in every aspect of care as primary care is the most effective and cheap means of promoting health and preventing diseases. Besides, Selma states that diet intervention positively impacts health outcomes across all lifespans.

            Poor nutrition increase risks of chronic diseases like type 2 diabetes, cancer, and osteoporosis as calcium that is readily available in certain foods contribute to the growth of strong bones (Selma, 2016). These chronic conditions vastly compromise all aspects of health, ranging from social, psychological, and physical as well as emotional wellbeing. Thus, he recommends good nutrition among individuals to promote the good health of individuals and society at large. He states that the quality of the food one takes determines the nutrition-related infection that one suffers. One who eats nutrient-dense foods and remains physically active while balancing and maintaining energy intake to have healthy body weight is crucial in all spans of life. Additionally, he points out that proper nutrition as well leads to better results in disease management.

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            Health is not merely the absence of disease, rather the state of wellness in all aspects, including socially, emotionally, mentally, and psychologically (Tonetti et al., 2017). Anything that interferes with the health of an organism and leads to sign and symptoms is referred to as a disease. Diseases are classified depending on the pathogen, for example, viral, deficiency, for instance, iron deficiency anemia, functioning, for example, cardiovascular disease, and genetics as well as physiological dysfunction. Diseases generally affect the physical, social, and mental aspects of health, known as the health triangle.

            From the discussion above from various studies, the foods that one eats affect all these three aspects of health. The case of type diabetes, which is often caused by poor diet, presents with physical signs and symptoms like frequent urination, poor thinking (mental) impacting the social aspect of life through poor interaction, is an example of how a disease affects the three triangles of health (Tonetti et al., 2017). This shows how important nutrition is in promoting health and leading to quality life and how it promotes the disease process. Hence, it means that promoting health and disease necessitates maintaining good nutrition throughout one life since it is the contributor to body immunity that predicts health quality and disease susceptibility, and management outcome


            We are what we eat. The food that we eat determines the quality of our health, susceptibility to diseases as well as management outcomes. Healthy eating habits grant strong immunity, which keeps our body healthy, well-developed, and prepared to fight off fatal pathogens and prevent the pathogenesis of the disease.It also ensures the body has essential nutrients for the maintenance of its physiologic activities and functioning, which determines wellness and quality of health. Thus nutrition plays a crucial in health disease promotion.

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