It's possible to have a large population with deficiencies, which may be the case in India for example [1]. Another factor is, the number of insects that accid

It's possible to have a large population with deficiencies, which may be the case in India for example [1]. Another factor is, the number of insects that accidentally get into the food supply provide some protein. I remember reading about how a more primitive lifestyle leads to more insects being in the food supply, which provides some of the necessary protein for humans to thrive. But I can't find the link at the moment. 1: https://www.thehindu.com/news/national/other-states/80-indian-diets-are-protein-deficient-survey/article7290278.ece https://www.thehindu.com/news/national/other-states/80-india...