Weekly Health Quiz: Masks, Vaccines and Loneliness

1 Which of the following are all risk factors for severe COVID-19 disease?

  • Low BMI, elevated vitamin D and D-dimer
  • Advanced age, dark skin color and vitamin D deficiency

    Dark skin color, increased age, pre-existing chronic conditions and vitamin D deficiency are all features of severe COVID disease. Of these, vitamin D deficiency is the only factor that is modifiable. As such, it would be foolish to ignore, especially since vitamin D supplements are readily available and low cost. Learn more.

  • Young age, low vitamin D and insulin resistance
  • Light skin color, advanced age and B12 deficiency

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