II. Nutrition
So you can see that it is entirely possible for humans to get by on a low-protein diet. Today, science already admits that, but years ago, children in particular were overfed with protein. Today, we see the children who were overfed with protein in the 1870s or 1880s; they now suffer from hardening of the arteries or have already died from it. So the harmfulness of something does not become apparent in the same period of time, but only much later.
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