1 Which of the following is a major risk factor for vitamin D deficiency and severe COVID-19?
2 What percentage of the general population that has not been exposed to SARS-CoV-2 is still believed to be immune to the virus?
3 Which of the following nasal irrigation mixtures can help reduce the duration of the common cold and reduce transmission within the household by reducing viral shedding?
4 Low levels of these two compounds may increase the risk of depression among children and adolescents:
5 An exercise session lasting just eight to 12 minutes leads to changes in biological processes related to:
6 Which of the following supplements are given to National Health Service workers in the U.K. to help boost and regulate their immune function, thus lowering their risk of COVID-19?
7 Which of the following is the primary driver of macular degeneration and many other chronic diseases?
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