"It is mandatory to attain and maintain good nutritional status to fight against virus. Nutritional status of individual is affected by several factors such as age, sex, health status, life style and medications."
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7306972/
"Food and beverages provide the energy and nutrients you need to improve health, manage disease, and reduce the risk of disease."
https://www.niddk.nih.gov/health-information/diet-nutrition
"The human body needs about 20 essential elements in order to function properly and among them, for certain, 10 are metal elements, though for every metal we do need, there is another one in our body we could do without it."
https://pubmed.ncbi.nlm.nih.gov/30939379/
"Chronic non-communicable diseases (NCDs) are the leading causes of morbidity and mortality in the United States and globally, and are attributable largely to poor nutrition and suboptimal lifestyle behaviors"
https://pubmed.ncbi.nlm.nih.gov/27745589/
How dietary factors influence disease risk
https://www.nih.gov/news-events/nih-research-matters/how-dietary-factors-influence-disease-risk