I question the nutritional value of some of these “foods”, but this is food for thought. With the current state of affairs in the world I feel that it is important to identify what will give us sustenance for the long haul, with this caveat: learn how to forage. The most nutritious edibles are those that the natural world serves up free of charge. Lambs quarters, dandelion, nettles, the list goes on and on. Can, dry, ferment, etc. Anyway, check out this article and take it to heart.