There are a few prejudices about vegetarianism, one of them is that without meat you wont get all necessary vitamins and minerals, protein in particular. The question arises: how then do such powerful and robust animals like elephants, rhinoceroses, hippopotamuses, buffaloes, gorillas etc get these necessary elements?
Only plants can synthesize amino acids, and all animals including humans get these amino acids either directly (by eating vegetable foods) or indirectly (by eating flesh of herbivorous animals). Meat does not contain any essential amino acid which cannot be found in plants. Even predators do not usually prey on other predators they by instinct prefer herbivores. And humans are not predators neither physiologically nor psychologically. Lets turn to the facts.
Predators saliva is acid to digest animal protein; it doesnt have agents for digesting carbohydrates. Saliva of herbivores and humans is alkaline and contains special substance for digesting starch. Predators teeth are long and sharp, and teeth of herbivores and humans are flattened to masticate and chew vegetable food.
Predators intestine is only 3 times as long as their body for faster excretion of rotting flesh, and intestines of herbivores and humans is 7-10 times longer than their bodies for better assimilation of nutrients from vegetable food. Predators stomachs secrete ideochloric acid 10 times more than stomachs of herbivores and humans.
Predators liver is capable to neutralize uric acid (a dangerous toxin excreted in the process of digesting flesh) 10-15 times more efficiently than the liver of any herbivore, including humans. So it is quite obvious that we humans are meant to be vegetarians, and meat-eating can undermine our health.
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