Quick, tell me which fruit, vegetable, or other plant is an absolutely essential requirement for human life? If you can think of one, then I’d like to know whether it grows all year round and in all parts of the world. If we have essential requirements for them—and we don’t—we would have had limited access to them for roughly 99 percent of our time on Earth as a species. Given that, why does it make sense to recommend we eat copious amounts of fruits and vegetables every day?
