A Canadian engineer named Grant Genereux says vitamin A is the cause of all disease. Stocking Grant’s vitamin A free food list is probably a safe bet for everybody.
[link to ggenereux.blog (secure)]

Vitamin a free food list:
[link to eatbeautiful.net (secure)]

[link to butternutrition.com (secure)]

An instant pot is probably a good investment; I bought one. The pressure cooking makes the beans, grains and potatoes safer to eat.