Consider getting your Vitamin D levels into the normal range:
Researchers analyzed patient data from 10 countries. The team found a correlation between low vitamin D levels and hyperactive immune systems. Vitamin D strengthens innate immunity and prevents overactive immune responses. The finding could explain several mysteries, including why children are unlikely to die from COVID-19. [ScienceDaily]
Low Vitamin D has been correlated with poor cognitive performance as well, it’s a cheap test, and a cheap supplement – one of the few that actually works.
The reporting on this item, however, includes this:
The research is available on medRxiv, a preprint server for health sciences.
Preprint servers are not necessarily home to the undiluted truth.