Some big risk factors to the covid 19 virus (and probably other virus like the flu also) are metabolic problems like diabetes, high blood pressure and heart disease. 64% of adults over 45 are now diabetic or pre-diabetic. Low carb/ketogenic diets are the best medicine to address and reverse metabolic problems like diabetes. I have linked to a lot of Ivor Cummins educational videos on the subject. This is a short one about him individually.

https://www.youtube.com/watch?v=7LEw_-LRlf0

His virus update with Tucker Goodrich.   https://www.youtube.com/watch?v=SYqwAJ2yAFM

https://www.youtube.com/results?search_query=ivor+cummins

John