> Can you sustain yourself eating only vegetables? Modern vegan diets work because we have heavily processed oils and grains, and a variety of supplements. I do

> Can you sustain yourself eating only vegetables? Modern vegan diets work because we have heavily processed oils and grains, and a variety of supplements. I don't think a human could live long just munching vegetables that aren't cooked with oil. I think the "heavily processed oils and grains, and a variety of supplements" part was also important to their point, and that's what I was disputing and qualifying. And their assertion about "modern" vegan diets and my reference to "pre-modern" Okinawan diets is not really a contradiction either. You can easily eat the "pre-modern" Okinawan diet in Okinawa today (and in other places with grocery stores). I'm using pre-modern very loosely to indicate it is not the most common contemporary diet. Many dietary patterns across the world have Westernized/"modernized" (and as a result, many, though by no means all, have become less healthy).