Broadly: evolutionary miss match to modern environment, but specifically: lack of fat soluble vitamins such as D3, K2 and A during critical development. https:

Broadly: evolutionary miss match to modern environment, but specifically: lack of fat soluble vitamins such as D3, K2 and A during critical development. https://www.westonaprice.org/health-topics/notes-from-yesteryear/vitamin-a-deficiency/ https://www.westonaprice.org/health-topics/notes-from-yester...