105-page eBook: In the distant past, making food choices was easy—people ate whatever food was available. When and where food became more plentiful, people were able to be more discerning about what they wanted to eat. Personal ethics and preferences guided people’s dietary decisions. They still do today, but a host of factors—including technology, farming methods, and environmental issues—make the decision of what to eat much more complex. Moreover, vegetarian and non-vegetarian groups have splintered into countless subgroups that support various specialized eating philosophies.
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