Abstract
Proper nutrition is an essential part of an individual’s defence against numerous diseases including coronavirus disease SARS-CoV-2 (Covid-19). Nutritional status of individual is affected by several factors such as age, sex, health status, physical activity, life style and medications. Optimal nutrition and dietary nutrient intake impact the immune system, therefore the sustainable way to survive in current context is to strengthen the immune system. Inadequate intake of energy, protein, and specific micronutrients are associated with depressed immune function and increased susceptibility to infection. Predominantly vital for the encouraging of immune function are elements selenium, iron and zinc and vitamins A, D, C, E, B6, B9 (folate) and B12 as well as omega-3 polyunsaturated fatty acids. Thus, during this time it is important to take care of nutritional habits, following a healthy and balanced nutritional pattern containing a high amount of elements, antioxidants and vitamins. It is also recommended, that individuals should be mindful of physical activity, known to be associated with all-cause mortality. Regular physical activity also improves mental health and overall feelings of wellbeing. Thus, now in the time of epidemic, more than ever, wider access to healthy foods should be a top priority for governments around the world
Highlights
At the time of this writing, the Covid-19 pandemic will have infected more than 125 million people and taken the lives of nearly 2,800,000 individuals world-wide
Haematological parameter red cell distribution width (RDW) is an indicator of red blood cells size, normal reference range of RDW-CV (Red Cell Distribution Width) in human red blood cells is 11.6–14.8 %
In their attempt to clarify the impact of lifestyle on RDW, Loprinzi et al, (2015) studied dietary data collection and accelerometer-determined physical activity
Summary
At the time of this writing, the Covid-19 pandemic will have infected more than 125 million people and taken the lives of nearly 2,800,000 individuals world-wide. With the aim to maintain immune function is an essential part of an individual’s defence against Covid-19. The key to maintaining an effective immune system is to avoid deficiencies of the energy and nutrients that play an essential role in immune cell triggering, interaction, differentiation, or functional expression (Barazzoni et al, 2020). The high consumption rate of diets high in saturated fats, sugars, and refined carbohydrates (collectively called Western diet), and low levels of dietary fibre, unsaturated fats and antioxidants worldwide, contribute to the prevalence of obesity and type 2 diabetes, and could place these populations at an increased risk for severe Covid-19 pathology and mortality. The food safety, food management, access to food and many other important topics related to Covid-19 and nutrition are not the issue of this article
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