Answer :
Final answer:
People may choose not to eat animals for sustainability, ethics, and health concerns. In Vegetarianism, Vegetarian diets aid in sustainable food production by reducing the need for feed crops.
Explanation:
The question 'Why shouldn't people eat animals?' can be associated with areas like Sustainability, Ethics, and Health. Various studies argue in favor of vegetarian diets as a component of sustainable food production. For instance, Lusk and Norwood's study found that about 34% of human-edible crops are used for animal feed, which reduces the availability of essential calorie and protein supplies for human consumption. By 2050, if dietary habits remain unchanged, it is predicted that there would be a 119% increase in the demand for edible crops.
From an ethical perspective, many proponents of veganism prefer to exclude animal husbandry entirely, not just for the sake of land sustainability, but also due to their philosophical convictions revolving around animal rights.
In terms of health benefits, some scientific papers indicate that plant-based diets do not necessarily have an advantage over omnivorous diets in relation to strength, aerobic, or anaerobic exercise performance. However, excessive consumption of certain types of meat, especially processed ones, has been linked to health risks.
Despite all these factors, adoption of vegetarianism remains relatively low, with only about 4% Americans reported to be vegetarians, largely due universal human inclination towards the taste and pleasure derived from meat products.
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