Unlike plants, which we can’t live without, we don’t need to eat meat—with the exception of vitamin B 12, every nutrient found in meat can be obtained somewhere else. (And the tiny amount of B12 we need is not too hard to come by; it’s found in all animal foods and is produced by bacteria, so you obtain B 12 from eating dirty or decaying or fermented produce.) But meat, which humans have been going to heroic lengths to obtain and have been relishing for a very long time, is nutritious food, supplying all the essential amino acids as well as many vitamins and minerals, and I haven’t found a
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