As agriculture developed, about ten thousand years ago, which greatly increased the use of grains as food, the amount of vegetables in the diet became as great as 90 percent, with a drastic decline in the amount of meat. European humans thirty thousand years ago, with a high intake of meat, wer
(archive.org)https://archive.org/stream/HowToLiveLongerAndFeelBetterLinusPaulingVitaminC/Ebook_How%20to%20live%20longer%20and%20feel%20better%20-%20Linus%20Pauling_opt_djvu.txtAs agriculture developed, about ten thousand years
ago, which greatly increased the use of grains as food,
the amount of vegetables in the diet became as great as
90 percent, with a drastic decline in the amount of meat.
European humans thirty thousand years ago, with a high
intake of meat, were about 6 inches taller than their de-
scendants after the development of agriculture. Eaton
and Konner state that “The same pattern was repeated
later in the New World: the Paleo-indians were big-game
hunters 10,000 years ago, but their descendants, in the
period just before European contact, practiced inten-
sive food production, ate little meat, were considerably
shorter, and had skeletal manifestations of suboptimal
nutrition, which apparently reflect both the direct effects
of protein-calorie deficiency and the synergistic inter-
action between malnutrition and infection. Since the
Industrial Revolution, the animal-protein content of
Western diets has become more nearly adequat
